19089554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3457}}^1$

素因数の和:3721

約数の個数: 16

約数和(自身を含む): 31370976

約数和(自身を除く): 12281422

約数列:

[1, 2, 11, 22, 251, 502, 2761, 3457, 5522, 6914, 38027, 76054, 867707, 1735414, 9544777, 19089554]

約数ペア:

[(1, 19089554), (2, 9544777), (11, 1735414), (22, 867707), (251, 76054), (502, 38027), (2761, 6914), (3457, 5522)]