18563805

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2441}}^1$

素因数の和:2478

約数の個数: 36

約数和(自身を含む): 34857108

約数和(自身を除く): 16293303

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 507, 585, 845, 1521, 2441, 2535, 7323, 7605, 12205, 21969, 31733, 36615, 95199, 109845, 158665, 285597, 412529, 475995, 1237587, 1427985, 2062645, 3712761, 6187935, 18563805]

約数ペア:

[(1, 18563805), (3, 6187935), (5, 3712761), (9, 2062645), (13, 1427985), (15, 1237587), (39, 475995), (45, 412529), (65, 285597), (117, 158665), (169, 109845), (195, 95199), (507, 36615), (585, 31733), (845, 21969), (1521, 12205), (2441, 7605), (2535, 7323)]