19290458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{8513}}^1$

素因数の和:8629

約数の個数: 16

約数和(自身を含む): 31876416

約数和(自身を除く): 12585958

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 8513, 17026, 93643, 187286, 876839, 1753678, 9645229, 19290458]

約数ペア:

[(1, 19290458), (2, 9645229), (11, 1753678), (22, 876839), (103, 187286), (206, 93643), (1133, 17026), (2266, 8513)]