19807016

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{79867}}^1$

素因数の和:79904

約数の個数: 16

約数和(自身を含む): 38336640

約数和(自身を除く): 18529624

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 79867, 159734, 319468, 638936, 2475877, 4951754, 9903508, 19807016]

約数ペア:

[(1, 19807016), (2, 9903508), (4, 4951754), (8, 2475877), (31, 638936), (62, 319468), (124, 159734), (248, 79867)]