19973042

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:673

約数の個数: 16

約数和(自身を含む): 30393792

約数和(自身を除く): 10420750

約数列:

[1, 2, 163, 197, 311, 326, 394, 622, 32111, 50693, 61267, 64222, 101386, 122534, 9986521, 19973042]

約数ペア:

[(1, 19973042), (2, 9986521), (163, 122534), (197, 101386), (311, 64222), (326, 61267), (394, 50693), (622, 32111)]