18628065

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4019}}^1$

素因数の和:4133

約数の個数: 24

約数和(自身を含む): 32610240

約数和(自身を除く): 13982175

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4019, 4635, 12057, 20095, 36171, 60285, 180855, 413957, 1241871, 2069785, 3725613, 6209355, 18628065]

約数ペア:

[(1, 18628065), (3, 6209355), (5, 3725613), (9, 2069785), (15, 1241871), (45, 413957), (103, 180855), (309, 60285), (515, 36171), (927, 20095), (1545, 12057), (4019, 4635)]