20181301

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:532

約数の個数: 16

約数和(自身を含む): 23673088

約数和(自身を除く): 3491787

約数列:

[1, 7, 61, 151, 313, 427, 1057, 2191, 9211, 19093, 47263, 64477, 133651, 330841, 2883043, 20181301]

約数ペア:

[(1, 20181301), (7, 2883043), (61, 330841), (151, 133651), (313, 64477), (427, 47263), (1057, 19093), (2191, 9211)]