18711160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35983}}^1$

素因数の和:36007

約数の個数: 32

約数和(自身を含む): 45339840

約数和(自身を除く): 26628680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35983, 71966, 143932, 179915, 287864, 359830, 467779, 719660, 935558, 1439320, 1871116, 2338895, 3742232, 4677790, 9355580, 18711160]

約数ペア:

[(1, 18711160), (2, 9355580), (4, 4677790), (5, 3742232), (8, 2338895), (10, 1871116), (13, 1439320), (20, 935558), (26, 719660), (40, 467779), (52, 359830), (65, 287864), (104, 179915), (130, 143932), (260, 71966), (520, 35983)]