18631860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23887}}^1$

素因数の和:23912

約数の個数: 48

約数和(自身を含む): 56184576

約数和(自身を除く): 37552716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23887, 47774, 71661, 95548, 119435, 143322, 238870, 286644, 310531, 358305, 477740, 621062, 716610, 931593, 1242124, 1433220, 1552655, 1863186, 3105310, 3726372, 4657965, 6210620, 9315930, 18631860]

約数ペア:

[(1, 18631860), (2, 9315930), (3, 6210620), (4, 4657965), (5, 3726372), (6, 3105310), (10, 1863186), (12, 1552655), (13, 1433220), (15, 1242124), (20, 931593), (26, 716610), (30, 621062), (39, 477740), (52, 358305), (60, 310531), (65, 286644), (78, 238870), (130, 143322), (156, 119435), (195, 95548), (260, 71661), (390, 47774), (780, 23887)]