18499118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20509}}^1$

素因数の和:20563

約数の個数: 16

約数和(自身を含む): 31011120

約数和(自身を除く): 12512002

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 20509, 41018, 225599, 451198, 840869, 1681738, 9249559, 18499118]

約数ペア:

[(1, 18499118), (2, 9249559), (11, 1681738), (22, 840869), (41, 451198), (82, 225599), (451, 41018), (902, 20509)]