18955587

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4987}}^1$

素因数の和:5178

約数の個数: 16

約数和(自身を含む): 29050112

約数和(自身を除く): 10094525

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 4987, 14961, 34909, 104727, 902647, 2707941, 6318529, 18955587]

約数ペア:

[(1, 18955587), (3, 6318529), (7, 2707941), (21, 902647), (181, 104727), (543, 34909), (1267, 14961), (3801, 4987)]