19656518

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23017}}^1$

素因数の和:23087

約数の個数: 16

約数和(自身を含む): 34250784

約数和(自身を除く): 14594266

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23017, 46034, 161119, 322238, 1404037, 2808074, 9828259, 19656518]

約数ペア:

[(1, 19656518), (2, 9828259), (7, 2808074), (14, 1404037), (61, 322238), (122, 161119), (427, 46034), (854, 23017)]