18521713

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2963}}^1$

素因数の和:3036

約数の個数: 16

約数和(自身を含む): 22763520

約数和(自身を除く): 4241807

約数列:

[1, 7, 19, 47, 133, 329, 893, 2963, 6251, 20741, 56297, 139261, 394079, 974827, 2645959, 18521713]

約数ペア:

[(1, 18521713), (7, 2645959), (19, 974827), (47, 394079), (133, 139261), (329, 56297), (893, 20741), (2963, 6251)]