19907864

素因数分解:

$2^3\times {\mathrm{1063}}^1\times {\mathrm{2341}}^1$

素因数の和:3410

約数の個数: 16

約数和(自身を含む): 37378320

約数和(自身を除く): 17470456

約数列:

[1, 2, 4, 8, 1063, 2126, 2341, 4252, 4682, 8504, 9364, 18728, 2488483, 4976966, 9953932, 19907864]

約数ペア:

[(1, 19907864), (2, 9953932), (4, 4976966), (8, 2488483), (1063, 18728), (2126, 9364), (2341, 8504), (4252, 4682)]