18405490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1327}}^1$

素因数の和:1426

約数の個数: 32

約数和(自身を含む): 35377920

約数和(自身を除く): 16972430

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1327, 1387, 2654, 2774, 6635, 6935, 13270, 13870, 25213, 50426, 96871, 126065, 193742, 252130, 484355, 968710, 1840549, 3681098, 9202745, 18405490]

約数ペア:

[(1, 18405490), (2, 9202745), (5, 3681098), (10, 1840549), (19, 968710), (38, 484355), (73, 252130), (95, 193742), (146, 126065), (190, 96871), (365, 50426), (730, 25213), (1327, 13870), (1387, 13270), (2654, 6935), (2774, 6635)]