18198765

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2393}}^1$

素因数の和:2430

約数の個数: 36

約数和(自身を含む): 34171956

約数和(自身を除く): 15973191

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 507, 585, 845, 1521, 2393, 2535, 7179, 7605, 11965, 21537, 31109, 35895, 93327, 107685, 155545, 279981, 404417, 466635, 1213251, 1399905, 2022085, 3639753, 6066255, 18198765]

約数ペア:

[(1, 18198765), (3, 6066255), (5, 3639753), (9, 2022085), (13, 1399905), (15, 1213251), (39, 466635), (45, 404417), (65, 279981), (117, 155545), (169, 107685), (195, 93327), (507, 35895), (585, 31109), (845, 21537), (1521, 11965), (2393, 7605), (2535, 7179)]