19189724

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{991}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 34664448

約数和(自身を除く): 15474724

約数列:

[1, 2, 4, 47, 94, 103, 188, 206, 412, 991, 1982, 3964, 4841, 9682, 19364, 46577, 93154, 102073, 186308, 204146, 408292, 4797431, 9594862, 19189724]

約数ペア:

[(1, 19189724), (2, 9594862), (4, 4797431), (47, 408292), (94, 204146), (103, 186308), (188, 102073), (206, 93154), (412, 46577), (991, 19364), (1982, 9682), (3964, 4841)]