19675864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{683}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 39931920

約数和(自身を除く): 20256056

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 277, 554, 683, 1108, 1366, 2216, 2732, 3601, 5464, 7202, 8879, 14404, 17758, 28808, 35516, 71032, 189191, 378382, 756764, 1513528, 2459483, 4918966, 9837932, 19675864]

約数ペア:

[(1, 19675864), (2, 9837932), (4, 4918966), (8, 2459483), (13, 1513528), (26, 756764), (52, 378382), (104, 189191), (277, 71032), (554, 35516), (683, 28808), (1108, 17758), (1366, 14404), (2216, 8879), (2732, 7202), (3601, 5464)]