18713660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133669}}^1$

素因数の和:133685

約数の個数: 24

約数和(自身を含む): 44913120

約数和(自身を除く): 26199460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133669, 267338, 534676, 668345, 935683, 1336690, 1871366, 2673380, 3742732, 4678415, 9356830, 18713660]

約数ペア:

[(1, 18713660), (2, 9356830), (4, 4678415), (5, 3742732), (7, 2673380), (10, 1871366), (14, 1336690), (20, 935683), (28, 668345), (35, 534676), (70, 267338), (140, 133669)]