18869715

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2777}}^1$

素因数の和:2939

約数の個数: 24

約数和(自身を含む): 32935968

約数和(自身を除く): 14066253

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 2777, 6795, 8331, 13885, 24993, 41655, 124965, 419327, 1257981, 2096635, 3773943, 6289905, 18869715]

約数ペア:

[(1, 18869715), (3, 6289905), (5, 3773943), (9, 2096635), (15, 1257981), (45, 419327), (151, 124965), (453, 41655), (755, 24993), (1359, 13885), (2265, 8331), (2777, 6795)]