18388629

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1933}}^1$

素因数の和:2097

約数の個数: 24

約数和(自身を含む): 30572672

約数和(自身を除く): 12184043

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 1933, 3171, 5799, 9513, 13531, 17397, 40593, 121779, 291883, 875649, 2043181, 2626947, 6129543, 18388629]

約数ペア:

[(1, 18388629), (3, 6129543), (7, 2626947), (9, 2043181), (21, 875649), (63, 291883), (151, 121779), (453, 40593), (1057, 17397), (1359, 13531), (1933, 9513), (3171, 5799)]