18141220

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1741}}^1$

素因数の和:2271

約数の個数: 24

約数和(自身を含む): 38191608

約数和(自身を除く): 20050388

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 1741, 2084, 2605, 3482, 5210, 6964, 8705, 10420, 17410, 34820, 907061, 1814122, 3628244, 4535305, 9070610, 18141220]

約数ペア:

[(1, 18141220), (2, 9070610), (4, 4535305), (5, 3628244), (10, 1814122), (20, 907061), (521, 34820), (1042, 17410), (1741, 10420), (2084, 8705), (2605, 6964), (3482, 5210)]