18209445

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1201

約数の個数: 32

約数和(自身を含む): 31076352

約数和(自身を除く): 12866907

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 1123, 3243, 3369, 5405, 5615, 16215, 16845, 25829, 52781, 77487, 129145, 158343, 263905, 387435, 791715, 1213963, 3641889, 6069815, 18209445]

約数ペア:

[(1, 18209445), (3, 6069815), (5, 3641889), (15, 1213963), (23, 791715), (47, 387435), (69, 263905), (115, 158343), (141, 129145), (235, 77487), (345, 52781), (705, 25829), (1081, 16845), (1123, 16215), (3243, 5615), (3369, 5405)]