18430256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{88607}}^1$

素因数の和:88628

約数の個数: 20

約数和(自身を含む): 38455872

約数和(自身を除く): 20025616

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 88607, 177214, 354428, 708856, 1151891, 1417712, 2303782, 4607564, 9215128, 18430256]

約数ペア:

[(1, 18430256), (2, 9215128), (4, 4607564), (8, 2303782), (13, 1417712), (16, 1151891), (26, 708856), (52, 354428), (104, 177214), (208, 88607)]