18951255

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2789}}^1$

素因数の和:2951

約数の個数: 24

約数和(自身を含む): 33078240

約数和(自身を除く): 14126985

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 2789, 6795, 8367, 13945, 25101, 41835, 125505, 421139, 1263417, 2105695, 3790251, 6317085, 18951255]

約数ペア:

[(1, 18951255), (3, 6317085), (5, 3790251), (9, 2105695), (15, 1263417), (45, 421139), (151, 125505), (453, 41835), (755, 25101), (1359, 13945), (2265, 8367), (2789, 6795)]