18407218

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{823}}^1$

素因数の和:1089

約数の個数: 16

約数和(自身を含む): 28299456

約数和(自身を除く): 9892238

約数列:

[1, 2, 53, 106, 211, 422, 823, 1646, 11183, 22366, 43619, 87238, 173653, 347306, 9203609, 18407218]

約数ペア:

[(1, 18407218), (2, 9203609), (53, 347306), (106, 173653), (211, 87238), (422, 43619), (823, 22366), (1646, 11183)]