18304390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{10831}}^1$

素因数の和:10864

約数の個数: 24

約数和(自身を含む): 35680608

約数和(自身を除く): 17376218

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 10831, 21662, 54155, 108310, 140803, 281606, 704015, 1408030, 1830439, 3660878, 9152195, 18304390]

約数ペア:

[(1, 18304390), (2, 9152195), (5, 3660878), (10, 1830439), (13, 1408030), (26, 704015), (65, 281606), (130, 140803), (169, 108310), (338, 54155), (845, 21662), (1690, 10831)]