31223954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2\times {\mathrm{163}}^1$

素因数の和:326

約数の個数: 24

約数和(自身を含む): 50311920

約数和(自身を除く): 19087966

約数列:

[1, 2, 19, 38, 71, 142, 163, 326, 1349, 2698, 3097, 5041, 6194, 10082, 11573, 23146, 95779, 191558, 219887, 439774, 821683, 1643366, 15611977, 31223954]

約数ペア:

[(1, 31223954), (2, 15611977), (19, 1643366), (38, 821683), (71, 439774), (142, 219887), (163, 191558), (326, 95779), (1349, 23146), (2698, 11573), (3097, 10082), (5041, 6194)]