13270778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20543}}^1$

素因数の和:20581

約数の個数: 16

約数和(自身を含む): 22187520

約数和(自身を除く): 8916742

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 20543, 41086, 349231, 390317, 698462, 780634, 6635389, 13270778]

約数ペア:

[(1, 13270778), (2, 6635389), (17, 780634), (19, 698462), (34, 390317), (38, 349231), (323, 41086), (646, 20543)]