18494138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13421}}^1$

素因数の和:13489

約数の個数: 16

約数和(自身を含む): 30441096

約数和(自身を除く): 11946958

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 13421, 26842, 174473, 348946, 711313, 1422626, 9247069, 18494138]

約数ペア:

[(1, 18494138), (2, 9247069), (13, 1422626), (26, 711313), (53, 348946), (106, 174473), (689, 26842), (1378, 13421)]