19895056

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40111}}^1$

素因数の和:40150

約数の個数: 20

約数和(自身を含む): 39791104

約数和(自身を除く): 19896048

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40111, 80222, 160444, 320888, 641776, 1243441, 2486882, 4973764, 9947528, 19895056]

約数ペア:

[(1, 19895056), (2, 9947528), (4, 4973764), (8, 2486882), (16, 1243441), (31, 641776), (62, 320888), (124, 160444), (248, 80222), (496, 40111)]