19013698

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{78569}}^1$

素因数の和:78593

約数の個数: 12

約数和(自身を含む): 31349430

約数和(自身を除く): 12335732

約数列:

[1, 2, 11, 22, 121, 242, 78569, 157138, 864259, 1728518, 9506849, 19013698]

約数ペア:

[(1, 19013698), (2, 9506849), (11, 1728518), (22, 864259), (121, 157138), (242, 78569)]