19418855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2879}}^1$

素因数の和:2974

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 5464345

約数列:

[1, 5, 19, 71, 95, 355, 1349, 2879, 6745, 14395, 54701, 204409, 273505, 1022045, 3883771, 19418855]

約数ペア:

[(1, 19418855), (5, 3883771), (19, 1022045), (71, 273505), (95, 204409), (355, 54701), (1349, 14395), (2879, 6745)]