18313040

素因数分解:

$2^4\times 5^1\times {\mathrm{228913}}^1$

素因数の和:228926

約数の個数: 20

約数和(自身を含む): 42578004

約数和(自身を除く): 24264964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228913, 457826, 915652, 1144565, 1831304, 2289130, 3662608, 4578260, 9156520, 18313040]

約数ペア:

[(1, 18313040), (2, 9156520), (4, 4578260), (5, 3662608), (8, 2289130), (10, 1831304), (16, 1144565), (20, 915652), (40, 457826), (80, 228913)]