19883896

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80177}}^1$

素因数の和:80214

約数の個数: 16

約数和(自身を含む): 38485440

約数和(自身を除く): 18601544

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80177, 160354, 320708, 641416, 2485487, 4970974, 9941948, 19883896]

約数ペア:

[(1, 19883896), (2, 9941948), (4, 4970974), (8, 2485487), (31, 641416), (62, 320708), (124, 160354), (248, 80177)]