18134968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{521}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 36018000

約数和(自身を除く): 17883032

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 229, 458, 521, 916, 1042, 1832, 2084, 4168, 4351, 8702, 9899, 17404, 19798, 34808, 39596, 79192, 119309, 238618, 477236, 954472, 2266871, 4533742, 9067484, 18134968]

約数ペア:

[(1, 18134968), (2, 9067484), (4, 4533742), (8, 2266871), (19, 954472), (38, 477236), (76, 238618), (152, 119309), (229, 79192), (458, 39596), (521, 34808), (916, 19798), (1042, 17404), (1832, 9899), (2084, 8702), (4168, 4351)]