18903924

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1357

約数の個数: 72

約数和(自身を含む): 53161472

約数和(自身を除く): 34257548

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1303, 1612, 2418, 2606, 3627, 3909, 4836, 5212, 7254, 7818, 11727, 14508, 15636, 16939, 23454, 33878, 40393, 46908, 50817, 67756, 80786, 101634, 121179, 152451, 161572, 203268, 242358, 304902, 363537, 484716, 525109, 609804, 727074, 1050218, 1454148, 1575327, 2100436, 3150654, 4725981, 6301308, 9451962, 18903924]

約数ペア:

[(1, 18903924), (2, 9451962), (3, 6301308), (4, 4725981), (6, 3150654), (9, 2100436), (12, 1575327), (13, 1454148), (18, 1050218), (26, 727074), (31, 609804), (36, 525109), (39, 484716), (52, 363537), (62, 304902), (78, 242358), (93, 203268), (117, 161572), (124, 152451), (156, 121179), (186, 101634), (234, 80786), (279, 67756), (372, 50817), (403, 46908), (468, 40393), (558, 33878), (806, 23454), (1116, 16939), (1209, 15636), (1303, 14508), (1612, 11727), (2418, 7818), (2606, 7254), (3627, 5212), (3909, 4836)]