18707143

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{853}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 23146816

約数和(自身を除く): 4439673

約数列:

[1, 7, 13, 91, 241, 853, 1687, 3133, 5971, 11089, 21931, 77623, 205573, 1439011, 2672449, 18707143]

約数ペア:

[(1, 18707143), (7, 2672449), (13, 1439011), (91, 205573), (241, 77623), (853, 21931), (1687, 11089), (3133, 5971)]