18274172

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4157}}^1$

素因数の和:4325

約数の個数: 24

約数和(自身を含む): 36789984

約数和(自身を除く): 18515812

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4157, 4396, 8314, 16628, 29099, 58198, 116396, 652649, 1305298, 2610596, 4568543, 9137086, 18274172]

約数ペア:

[(1, 18274172), (2, 9137086), (4, 4568543), (7, 2610596), (14, 1305298), (28, 652649), (157, 116396), (314, 58198), (628, 29099), (1099, 16628), (2198, 8314), (4157, 4396)]