18230895

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2719}}^1$

素因数の和:2879

約数の個数: 24

約数和(自身を含む): 31824000

約数和(自身を除く): 13593105

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 2235, 2719, 6705, 8157, 13595, 24471, 40785, 122355, 405131, 1215393, 2025655, 3646179, 6076965, 18230895]

約数ペア:

[(1, 18230895), (3, 6076965), (5, 3646179), (9, 2025655), (15, 1215393), (45, 405131), (149, 122355), (447, 40785), (745, 24471), (1341, 13595), (2235, 8157), (2719, 6705)]