12989122

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20107}}^1$

素因数の和:20145

約数の個数: 16

約数和(自身を含む): 21716640

約数和(自身を除く): 8727518

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 20107, 40214, 341819, 382033, 683638, 764066, 6494561, 12989122]

約数ペア:

[(1, 12989122), (2, 6494561), (17, 764066), (19, 683638), (34, 382033), (38, 341819), (323, 40214), (646, 20107)]