18765540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:127

約数の個数: 192

約数和(自身を含む): 64512000

約数和(自身を除く): 45746460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 31, 36, 38, 45, 54, 57, 59, 60, 62, 76, 90, 93, 95, 108, 114, 118, 124, 135, 155, 171, 177, 180, 186, 190, 228, 236, 270, 279, 285, 295, 310, 342, 354, 372, 380, 465, 513, 531, 540, 558, 570, 589, 590, 620, 684, 708, 837, 855, 885, 930, 1026, 1062, 1116, 1121, 1140, 1178, 1180, 1395, 1593, 1674, 1710, 1767, 1770, 1829, 1860, 2052, 2124, 2242, 2356, 2565, 2655, 2790, 2945, 3186, 3348, 3363, 3420, 3534, 3540, 3658, 4185, 4484, 5130, 5301, 5310, 5487, 5580, 5605, 5890, 6372, 6726, 7068, 7316, 7965, 8370, 8835, 9145, 10089, 10260, 10602, 10620, 10974, 11210, 11780, 13452, 15903, 15930, 16461, 16740, 16815, 17670, 18290, 20178, 21204, 21948, 22420, 26505, 27435, 30267, 31806, 31860, 32922, 33630, 34751, 35340, 36580, 40356, 49383, 50445, 53010, 54870, 60534, 63612, 65844, 67260, 69502, 79515, 82305, 98766, 100890, 104253, 106020, 109740, 121068, 139004, 151335, 159030, 164610, 173755, 197532, 201780, 208506, 246915, 302670, 312759, 318060, 329220, 347510, 417012, 493830, 521265, 605340, 625518, 695020, 938277, 987660, 1042530, 1251036, 1563795, 1876554, 2085060, 3127590, 3753108, 4691385, 6255180, 9382770, 18765540]

約数ペア:

[(1, 18765540), (2, 9382770), (3, 6255180), (4, 4691385), (5, 3753108), (6, 3127590), (9, 2085060), (10, 1876554), (12, 1563795), (15, 1251036), (18, 1042530), (19, 987660), (20, 938277), (27, 695020), (30, 625518), (31, 605340), (36, 521265), (38, 493830), (45, 417012), (54, 347510), (57, 329220), (59, 318060), (60, 312759), (62, 302670), (76, 246915), (90, 208506), (93, 201780), (95, 197532), (108, 173755), (114, 164610), (118, 159030), (124, 151335), (135, 139004), (155, 121068), (171, 109740), (177, 106020), (180, 104253), (186, 100890), (190, 98766), (228, 82305), (236, 79515), (270, 69502), (279, 67260), (285, 65844), (295, 63612), (310, 60534), (342, 54870), (354, 53010), (372, 50445), (380, 49383), (465, 40356), (513, 36580), (531, 35340), (540, 34751), (558, 33630), (570, 32922), (589, 31860), (590, 31806), (620, 30267), (684, 27435), (708, 26505), (837, 22420), (855, 21948), (885, 21204), (930, 20178), (1026, 18290), (1062, 17670), (1116, 16815), (1121, 16740), (1140, 16461), (1178, 15930), (1180, 15903), (1395, 13452), (1593, 11780), (1674, 11210), (1710, 10974), (1767, 10620), (1770, 10602), (1829, 10260), (1860, 10089), (2052, 9145), (2124, 8835), (2242, 8370), (2356, 7965), (2565, 7316), (2655, 7068), (2790, 6726), (2945, 6372), (3186, 5890), (3348, 5605), (3363, 5580), (3420, 5487), (3534, 5310), (3540, 5301), (3658, 5130), (4185, 4484)]