18841256

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2143}}^1$

素因数の和:2313

約数の個数: 32

約数和(自身を含む): 40650240

約数和(自身を除く): 21808984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2143, 2198, 4286, 4396, 8572, 8792, 15001, 17144, 30002, 60004, 120008, 336451, 672902, 1345804, 2355157, 2691608, 4710314, 9420628, 18841256]

約数ペア:

[(1, 18841256), (2, 9420628), (4, 4710314), (7, 2691608), (8, 2355157), (14, 1345804), (28, 672902), (56, 336451), (157, 120008), (314, 60004), (628, 30002), (1099, 17144), (1256, 15001), (2143, 8792), (2198, 8572), (4286, 4396)]