17965754

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1123}}^1$

素因数の和:1565

約数の個数: 16

約数和(自身を含む): 28459680

約数和(自身を除く): 10493926

約数列:

[1, 2, 19, 38, 421, 842, 1123, 2246, 7999, 15998, 21337, 42674, 472783, 945566, 8982877, 17965754]

約数ペア:

[(1, 17965754), (2, 8982877), (19, 945566), (38, 472783), (421, 42674), (842, 21337), (1123, 15998), (2246, 7999)]