19908580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52391}}^1$

素因数の和:52419

約数の個数: 24

約数和(自身を含む): 44009280

約数和(自身を除く): 24100700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52391, 104782, 209564, 261955, 523910, 995429, 1047820, 1990858, 3981716, 4977145, 9954290, 19908580]

約数ペア:

[(1, 19908580), (2, 9954290), (4, 4977145), (5, 3981716), (10, 1990858), (19, 1047820), (20, 995429), (38, 523910), (76, 261955), (95, 209564), (190, 104782), (380, 52391)]