18265653

素因数分解:

$3^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{757}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 30271488

約数和(自身を除く): 12005835

約数列:

[1, 3, 7, 9, 21, 63, 383, 757, 1149, 2271, 2681, 3447, 5299, 6813, 8043, 15897, 24129, 47691, 289931, 869793, 2029517, 2609379, 6088551, 18265653]

約数ペア:

[(1, 18265653), (3, 6088551), (7, 2609379), (9, 2029517), (21, 869793), (63, 289931), (383, 47691), (757, 24129), (1149, 15897), (2271, 8043), (2681, 6813), (3447, 5299)]