18701168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:525

約数の個数: 40

約数和(自身を含む): 38449920

約数和(自身を除く): 19748752

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 227, 271, 304, 454, 542, 908, 1084, 1816, 2168, 3632, 4313, 4336, 5149, 8626, 10298, 17252, 20596, 34504, 41192, 61517, 69008, 82384, 123034, 246068, 492136, 984272, 1168823, 2337646, 4675292, 9350584, 18701168]

約数ペア:

[(1, 18701168), (2, 9350584), (4, 4675292), (8, 2337646), (16, 1168823), (19, 984272), (38, 492136), (76, 246068), (152, 123034), (227, 82384), (271, 69008), (304, 61517), (454, 41192), (542, 34504), (908, 20596), (1084, 17252), (1816, 10298), (2168, 8626), (3632, 5149), (4313, 4336)]