19909142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53233}}^1$

素因数の和:53263

約数の個数: 16

約数和(自身を含む): 34495632

約数和(自身を除く): 14586490

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 53233, 106466, 585563, 904961, 1171126, 1809922, 9954571, 19909142]

約数ペア:

[(1, 19909142), (2, 9954571), (11, 1809922), (17, 1171126), (22, 904961), (34, 585563), (187, 106466), (374, 53233)]