19969846

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{7457}}^1$

素因数の和:7575

約数の個数: 16

約数和(自身を含む): 32576544

約数和(自身を除く): 12606698

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 7457, 14914, 96941, 193882, 768071, 1536142, 9984923, 19969846]

約数ペア:

[(1, 19969846), (2, 9984923), (13, 1536142), (26, 768071), (103, 193882), (206, 96941), (1339, 14914), (2678, 7457)]