18958251

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{613}}^1$

素因数の和:703

約数の個数: 24

約数和(自身を含む): 27865776

約数和(自身を除く): 8907525

約数列:

[1, 3, 13, 39, 61, 169, 183, 507, 613, 793, 1839, 2379, 7969, 10309, 23907, 30927, 37393, 103597, 112179, 310791, 486109, 1458327, 6319417, 18958251]

約数ペア:

[(1, 18958251), (3, 6319417), (13, 1458327), (39, 486109), (61, 310791), (169, 112179), (183, 103597), (507, 37393), (613, 30927), (793, 23907), (1839, 10309), (2379, 7969)]