18129290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78823}}^1$

素因数の和:78853

約数の個数: 16

約数和(自身を含む): 34051968

約数和(自身を除く): 15922678

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 78823, 157646, 394115, 788230, 1812929, 3625858, 9064645, 18129290]

約数ペア:

[(1, 18129290), (2, 9064645), (5, 3625858), (10, 1812929), (23, 788230), (46, 394115), (115, 157646), (230, 78823)]