15121808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{72701}}^1$

素因数の和:72722

約数の個数: 20

約数和(自身を含む): 31552668

約数和(自身を除く): 16430860

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 72701, 145402, 290804, 581608, 945113, 1163216, 1890226, 3780452, 7560904, 15121808]

約数ペア:

[(1, 15121808), (2, 7560904), (4, 3780452), (8, 1890226), (13, 1163216), (16, 945113), (26, 581608), (52, 290804), (104, 145402), (208, 72701)]