18417806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{1907}}^1$

素因数の和:2359

約数の個数: 16

約数和(自身を含む): 30222720

約数和(自身を除く): 11804914

約数列:

[1, 2, 11, 22, 439, 878, 1907, 3814, 4829, 9658, 20977, 41954, 837173, 1674346, 9208903, 18417806]

約数ペア:

[(1, 18417806), (2, 9208903), (11, 1674346), (22, 837173), (439, 41954), (878, 20977), (1907, 9658), (3814, 4829)]