18471856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{88807}}^1$

素因数の和:88828

約数の個数: 20

約数和(自身を含む): 38542672

約数和(自身を除く): 20070816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 88807, 177614, 355228, 710456, 1154491, 1420912, 2308982, 4617964, 9235928, 18471856]

約数ペア:

[(1, 18471856), (2, 9235928), (4, 4617964), (8, 2308982), (13, 1420912), (16, 1154491), (26, 710456), (52, 355228), (104, 177614), (208, 88807)]