18859828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4591}}^1$

素因数の和:4687

約数の個数: 24

約数和(自身を含む): 36001280

約数和(自身を除く): 17141452

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 4591, 9182, 18364, 59683, 119366, 238732, 362689, 725378, 1450756, 4714957, 9429914, 18859828]

約数ペア:

[(1, 18859828), (2, 9429914), (4, 4714957), (13, 1450756), (26, 725378), (52, 362689), (79, 238732), (158, 119366), (316, 59683), (1027, 18364), (2054, 9182), (4108, 4591)]