19179995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4801}}^1$

素因数の和:4870

約数の個数: 16

約数和(自身を含む): 24893568

約数和(自身を除く): 5713573

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 4801, 24005, 81617, 225647, 408085, 1128235, 3835999, 19179995]

約数ペア:

[(1, 19179995), (5, 3835999), (17, 1128235), (47, 408085), (85, 225647), (235, 81617), (799, 24005), (3995, 4801)]