18608289

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1229}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 29165760

約数和(自身を除く): 10557471

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 1229, 2163, 3687, 5047, 8603, 15141, 25809, 60221, 126587, 180663, 379761, 886109, 2658327, 6202763, 18608289]

約数ペア:

[(1, 18608289), (3, 6202763), (7, 2658327), (21, 886109), (49, 379761), (103, 180663), (147, 126587), (309, 60221), (721, 25809), (1229, 15141), (2163, 8603), (3687, 5047)]