18228420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 288

約数和(自身を含む): 71705088

約数和(自身を除く): 53476668

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 23, 28, 30, 34, 35, 36, 37, 42, 45, 46, 51, 60, 63, 68, 69, 70, 74, 84, 85, 90, 92, 102, 105, 111, 115, 119, 126, 138, 140, 148, 153, 161, 170, 180, 185, 204, 207, 210, 222, 230, 238, 252, 255, 259, 276, 306, 315, 322, 333, 340, 345, 357, 370, 391, 414, 420, 444, 460, 476, 483, 510, 518, 555, 595, 612, 629, 630, 644, 666, 690, 714, 740, 765, 777, 782, 805, 828, 851, 966, 1020, 1035, 1036, 1071, 1110, 1173, 1190, 1258, 1260, 1295, 1332, 1380, 1428, 1449, 1530, 1554, 1564, 1610, 1665, 1702, 1785, 1887, 1932, 1955, 2070, 2142, 2220, 2331, 2346, 2380, 2415, 2516, 2553, 2590, 2737, 2898, 3060, 3108, 3145, 3220, 3330, 3404, 3519, 3570, 3774, 3885, 3910, 4140, 4255, 4284, 4403, 4662, 4692, 4830, 5106, 5180, 5355, 5474, 5661, 5796, 5865, 5957, 6290, 6660, 7038, 7140, 7245, 7548, 7659, 7770, 7820, 8211, 8510, 8806, 9324, 9435, 9660, 10212, 10710, 10948, 11322, 11655, 11730, 11914, 12580, 12765, 13209, 13685, 14076, 14467, 14490, 15318, 15540, 16422, 17020, 17595, 17612, 17871, 18870, 21420, 22015, 22644, 23310, 23460, 23828, 24633, 25530, 26418, 27370, 28305, 28934, 28980, 29785, 30636, 32844, 35190, 35742, 37740, 38295, 39627, 41055, 43401, 44030, 46620, 49266, 51060, 52836, 53613, 54740, 56610, 57868, 59570, 66045, 70380, 71484, 72335, 76590, 79254, 82110, 86802, 88060, 89355, 98532, 101269, 107226, 113220, 119140, 123165, 130203, 132090, 144670, 153180, 158508, 164220, 173604, 178710, 198135, 202538, 214452, 217005, 246330, 260406, 264180, 268065, 289340, 303807, 357420, 396270, 405076, 434010, 492660, 506345, 520812, 536130, 607614, 651015, 792540, 868020, 911421, 1012690, 1072260, 1215228, 1302030, 1519035, 1822842, 2025380, 2604060, 3038070, 3645684, 4557105, 6076140, 9114210, 18228420]

約数ペア:

[(1, 18228420), (2, 9114210), (3, 6076140), (4, 4557105), (5, 3645684), (6, 3038070), (7, 2604060), (9, 2025380), (10, 1822842), (12, 1519035), (14, 1302030), (15, 1215228), (17, 1072260), (18, 1012690), (20, 911421), (21, 868020), (23, 792540), (28, 651015), (30, 607614), (34, 536130), (35, 520812), (36, 506345), (37, 492660), (42, 434010), (45, 405076), (46, 396270), (51, 357420), (60, 303807), (63, 289340), (68, 268065), (69, 264180), (70, 260406), (74, 246330), (84, 217005), (85, 214452), (90, 202538), (92, 198135), (102, 178710), (105, 173604), (111, 164220), (115, 158508), (119, 153180), (126, 144670), (138, 132090), (140, 130203), (148, 123165), (153, 119140), (161, 113220), (170, 107226), (180, 101269), (185, 98532), (204, 89355), (207, 88060), (210, 86802), (222, 82110), (230, 79254), (238, 76590), (252, 72335), (255, 71484), (259, 70380), (276, 66045), (306, 59570), (315, 57868), (322, 56610), (333, 54740), (340, 53613), (345, 52836), (357, 51060), (370, 49266), (391, 46620), (414, 44030), (420, 43401), (444, 41055), (460, 39627), (476, 38295), (483, 37740), (510, 35742), (518, 35190), (555, 32844), (595, 30636), (612, 29785), (629, 28980), (630, 28934), (644, 28305), (666, 27370), (690, 26418), (714, 25530), (740, 24633), (765, 23828), (777, 23460), (782, 23310), (805, 22644), (828, 22015), (851, 21420), (966, 18870), (1020, 17871), (1035, 17612), (1036, 17595), (1071, 17020), (1110, 16422), (1173, 15540), (1190, 15318), (1258, 14490), (1260, 14467), (1295, 14076), (1332, 13685), (1380, 13209), (1428, 12765), (1449, 12580), (1530, 11914), (1554, 11730), (1564, 11655), (1610, 11322), (1665, 10948), (1702, 10710), (1785, 10212), (1887, 9660), (1932, 9435), (1955, 9324), (2070, 8806), (2142, 8510), (2220, 8211), (2331, 7820), (2346, 7770), (2380, 7659), (2415, 7548), (2516, 7245), (2553, 7140), (2590, 7038), (2737, 6660), (2898, 6290), (3060, 5957), (3108, 5865), (3145, 5796), (3220, 5661), (3330, 5474), (3404, 5355), (3519, 5180), (3570, 5106), (3774, 4830), (3885, 4692), (3910, 4662), (4140, 4403), (4255, 4284)]