18146440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34897}}^1$

素因数の和:34921

約数の個数: 32

約数和(自身を含む): 43971480

約数和(自身を除く): 25825040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34897, 69794, 139588, 174485, 279176, 348970, 453661, 697940, 907322, 1395880, 1814644, 2268305, 3629288, 4536610, 9073220, 18146440]

約数ペア:

[(1, 18146440), (2, 9073220), (4, 4536610), (5, 3629288), (8, 2268305), (10, 1814644), (13, 1395880), (20, 907322), (26, 697940), (40, 453661), (52, 348970), (65, 279176), (104, 174485), (130, 139588), (260, 69794), (520, 34897)]