18774210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^2$

素因数の和:89

約数の個数: 144

約数和(自身を含む): 58290624

約数和(自身を除く): 39516414

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 23, 26, 30, 35, 39, 42, 46, 65, 69, 70, 78, 91, 105, 115, 130, 138, 161, 169, 182, 195, 210, 230, 273, 299, 322, 338, 345, 390, 455, 483, 507, 529, 546, 598, 690, 805, 845, 897, 910, 966, 1014, 1058, 1183, 1365, 1495, 1587, 1610, 1690, 1794, 2093, 2366, 2415, 2535, 2645, 2730, 2990, 3174, 3549, 3703, 3887, 4186, 4485, 4830, 5070, 5290, 5915, 6279, 6877, 7098, 7406, 7774, 7935, 8970, 10465, 11109, 11661, 11830, 12558, 13754, 15870, 17745, 18515, 19435, 20631, 20930, 22218, 23322, 27209, 31395, 34385, 35490, 37030, 38870, 41262, 48139, 54418, 55545, 58305, 62790, 68770, 81627, 89401, 96278, 103155, 111090, 116610, 136045, 144417, 163254, 178802, 206310, 240695, 268203, 272090, 288834, 408135, 447005, 481390, 536406, 625807, 722085, 816270, 894010, 1251614, 1341015, 1444170, 1877421, 2682030, 3129035, 3754842, 6258070, 9387105, 18774210]

約数ペア:

[(1, 18774210), (2, 9387105), (3, 6258070), (5, 3754842), (6, 3129035), (7, 2682030), (10, 1877421), (13, 1444170), (14, 1341015), (15, 1251614), (21, 894010), (23, 816270), (26, 722085), (30, 625807), (35, 536406), (39, 481390), (42, 447005), (46, 408135), (65, 288834), (69, 272090), (70, 268203), (78, 240695), (91, 206310), (105, 178802), (115, 163254), (130, 144417), (138, 136045), (161, 116610), (169, 111090), (182, 103155), (195, 96278), (210, 89401), (230, 81627), (273, 68770), (299, 62790), (322, 58305), (338, 55545), (345, 54418), (390, 48139), (455, 41262), (483, 38870), (507, 37030), (529, 35490), (546, 34385), (598, 31395), (690, 27209), (805, 23322), (845, 22218), (897, 20930), (910, 20631), (966, 19435), (1014, 18515), (1058, 17745), (1183, 15870), (1365, 13754), (1495, 12558), (1587, 11830), (1610, 11661), (1690, 11109), (1794, 10465), (2093, 8970), (2366, 7935), (2415, 7774), (2535, 7406), (2645, 7098), (2730, 6877), (2990, 6279), (3174, 5915), (3549, 5290), (3703, 5070), (3887, 4830), (4186, 4485)]