18788406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2647}}^1$

素因数の和:2685

約数の個数: 48

約数和(自身を含む): 46520064

約数和(自身を除く): 27731658

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 169, 182, 273, 338, 507, 546, 1014, 1183, 2366, 2647, 3549, 5294, 7098, 7941, 15882, 18529, 34411, 37058, 55587, 68822, 103233, 111174, 206466, 240877, 447343, 481754, 722631, 894686, 1342029, 1445262, 2684058, 3131401, 6262802, 9394203, 18788406]

約数ペア:

[(1, 18788406), (2, 9394203), (3, 6262802), (6, 3131401), (7, 2684058), (13, 1445262), (14, 1342029), (21, 894686), (26, 722631), (39, 481754), (42, 447343), (78, 240877), (91, 206466), (169, 111174), (182, 103233), (273, 68822), (338, 55587), (507, 37058), (546, 34411), (1014, 18529), (1183, 15882), (2366, 7941), (2647, 7098), (3549, 5294)]