19930408

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{40841}}^1$

素因数の和:40908

約数の個数: 16

約数和(自身を含む): 37983060

約数和(自身を除く): 18052652

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 40841, 81682, 163364, 326728, 2491301, 4982602, 9965204, 19930408]

約数ペア:

[(1, 19930408), (2, 9965204), (4, 4982602), (8, 2491301), (61, 326728), (122, 163364), (244, 81682), (488, 40841)]