18516520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42083}}^1$

素因数の和:42105

約数の個数: 32

約数和(自身を含む): 45450720

約数和(自身を除く): 26934200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42083, 84166, 168332, 210415, 336664, 420830, 462913, 841660, 925826, 1683320, 1851652, 2314565, 3703304, 4629130, 9258260, 18516520]

約数ペア:

[(1, 18516520), (2, 9258260), (4, 4629130), (5, 3703304), (8, 2314565), (10, 1851652), (11, 1683320), (20, 925826), (22, 841660), (40, 462913), (44, 420830), (55, 336664), (88, 210415), (110, 168332), (220, 84166), (440, 42083)]