19627886

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{631}}^1$

素因数の和:887

約数の個数: 16

約数和(自身を含む): 29971968

約数和(自身を除く): 10344082

約数列:

[1, 2, 103, 151, 206, 302, 631, 1262, 15553, 31106, 64993, 95281, 129986, 190562, 9813943, 19627886]

約数ペア:

[(1, 19627886), (2, 9813943), (103, 190562), (151, 129986), (206, 95281), (302, 64993), (631, 31106), (1262, 15553)]