19546904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{187951}}^1$

素因数の和:187970

約数の個数: 16

約数和(自身を含む): 39469920

約数和(自身を除く): 19923016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 187951, 375902, 751804, 1503608, 2443363, 4886726, 9773452, 19546904]

約数ペア:

[(1, 19546904), (2, 9773452), (4, 4886726), (8, 2443363), (13, 1503608), (26, 751804), (52, 375902), (104, 187951)]