19780702

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{1291}}^1$

素因数の和:1503

約数の個数: 16

約数和(自身を含む): 30511872

約数和(自身を除く): 10731170

約数列:

[1, 2, 47, 94, 163, 326, 1291, 2582, 7661, 15322, 60677, 121354, 210433, 420866, 9890351, 19780702]

約数ペア:

[(1, 19780702), (2, 9890351), (47, 420866), (94, 210433), (163, 121354), (326, 60677), (1291, 15322), (2582, 7661)]