19322864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109789}}^1$

素因数の和:109808

約数の個数: 20

約数和(自身を含む): 40841880

約数和(自身を除く): 21519016

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109789, 219578, 439156, 878312, 1207679, 1756624, 2415358, 4830716, 9661432, 19322864]

約数ペア:

[(1, 19322864), (2, 9661432), (4, 4830716), (8, 2415358), (11, 1756624), (16, 1207679), (22, 878312), (44, 439156), (88, 219578), (176, 109789)]