18615940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{132971}}^1$

素因数の和:132987

約数の個数: 24

約数和(自身を含む): 44678592

約数和(自身を除く): 26062652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 132971, 265942, 531884, 664855, 930797, 1329710, 1861594, 2659420, 3723188, 4653985, 9307970, 18615940]

約数ペア:

[(1, 18615940), (2, 9307970), (4, 4653985), (5, 3723188), (7, 2659420), (10, 1861594), (14, 1329710), (20, 930797), (28, 664855), (35, 531884), (70, 265942), (140, 132971)]