18629578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13303862

約数列:

[1, 2, 11, 22, 43, 47, 86, 94, 419, 473, 517, 838, 946, 1034, 2021, 4042, 4609, 9218, 18017, 19693, 22231, 36034, 39386, 44462, 198187, 216623, 396374, 433246, 846799, 1693598, 9314789, 18629578]

約数ペア:

[(1, 18629578), (2, 9314789), (11, 1693598), (22, 846799), (43, 433246), (47, 396374), (86, 216623), (94, 198187), (419, 44462), (473, 39386), (517, 36034), (838, 22231), (946, 19693), (1034, 18017), (2021, 9218), (4042, 4609)]