19090890

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:83

約数の個数: 240

約数和(自身を含む): 66045672

約数和(自身を除く): 46954782

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 37, 39, 42, 45, 49, 54, 63, 65, 70, 74, 78, 81, 90, 91, 98, 105, 111, 117, 126, 130, 135, 147, 162, 182, 185, 189, 195, 210, 222, 234, 245, 259, 270, 273, 294, 315, 333, 351, 370, 378, 390, 405, 441, 455, 481, 490, 518, 546, 555, 567, 585, 630, 637, 666, 702, 735, 777, 810, 819, 882, 910, 945, 962, 999, 1053, 1110, 1134, 1170, 1274, 1295, 1323, 1365, 1443, 1470, 1554, 1638, 1665, 1755, 1813, 1890, 1911, 1998, 2106, 2205, 2331, 2405, 2457, 2590, 2646, 2730, 2835, 2886, 2997, 3185, 3330, 3367, 3510, 3626, 3822, 3885, 3969, 4095, 4329, 4410, 4662, 4810, 4914, 4995, 5265, 5439, 5670, 5733, 5994, 6370, 6615, 6734, 6993, 7215, 7371, 7770, 7938, 8190, 8658, 9065, 9555, 9990, 10101, 10530, 10878, 11466, 11655, 12285, 12987, 13230, 13986, 14430, 14742, 14985, 16317, 16835, 17199, 18130, 19110, 19845, 20202, 20979, 21645, 23310, 23569, 24570, 25974, 27195, 28665, 29970, 30303, 32634, 33670, 34398, 34965, 36855, 38961, 39690, 41958, 43290, 47138, 48951, 50505, 51597, 54390, 57330, 60606, 64935, 69930, 70707, 73710, 77922, 81585, 85995, 90909, 97902, 101010, 103194, 104895, 117845, 129870, 141414, 146853, 151515, 163170, 171990, 181818, 194805, 209790, 212121, 235690, 244755, 257985, 272727, 293706, 303030, 353535, 389610, 424242, 454545, 489510, 515970, 545454, 636363, 707070, 734265, 909090, 1060605, 1272726, 1363635, 1468530, 1909089, 2121210, 2727270, 3181815, 3818178, 6363630, 9545445, 19090890]

約数ペア:

[(1, 19090890), (2, 9545445), (3, 6363630), (5, 3818178), (6, 3181815), (7, 2727270), (9, 2121210), (10, 1909089), (13, 1468530), (14, 1363635), (15, 1272726), (18, 1060605), (21, 909090), (26, 734265), (27, 707070), (30, 636363), (35, 545454), (37, 515970), (39, 489510), (42, 454545), (45, 424242), (49, 389610), (54, 353535), (63, 303030), (65, 293706), (70, 272727), (74, 257985), (78, 244755), (81, 235690), (90, 212121), (91, 209790), (98, 194805), (105, 181818), (111, 171990), (117, 163170), (126, 151515), (130, 146853), (135, 141414), (147, 129870), (162, 117845), (182, 104895), (185, 103194), (189, 101010), (195, 97902), (210, 90909), (222, 85995), (234, 81585), (245, 77922), (259, 73710), (270, 70707), (273, 69930), (294, 64935), (315, 60606), (333, 57330), (351, 54390), (370, 51597), (378, 50505), (390, 48951), (405, 47138), (441, 43290), (455, 41958), (481, 39690), (490, 38961), (518, 36855), (546, 34965), (555, 34398), (567, 33670), (585, 32634), (630, 30303), (637, 29970), (666, 28665), (702, 27195), (735, 25974), (777, 24570), (810, 23569), (819, 23310), (882, 21645), (910, 20979), (945, 20202), (962, 19845), (999, 19110), (1053, 18130), (1110, 17199), (1134, 16835), (1170, 16317), (1274, 14985), (1295, 14742), (1323, 14430), (1365, 13986), (1443, 13230), (1470, 12987), (1554, 12285), (1638, 11655), (1665, 11466), (1755, 10878), (1813, 10530), (1890, 10101), (1911, 9990), (1998, 9555), (2106, 9065), (2205, 8658), (2331, 8190), (2405, 7938), (2457, 7770), (2590, 7371), (2646, 7215), (2730, 6993), (2835, 6734), (2886, 6615), (2997, 6370), (3185, 5994), (3330, 5733), (3367, 5670), (3510, 5439), (3626, 5265), (3822, 4995), (3885, 4914), (3969, 4810), (4095, 4662), (4329, 4410)]