18857260

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2671}}^1$

素因数の和:3033

約数の個数: 24

約数和(自身を含む): 39727296

約数和(自身を除く): 20870036

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 2671, 3530, 5342, 7060, 10684, 13355, 26710, 53420, 942863, 1885726, 3771452, 4714315, 9428630, 18857260]

約数ペア:

[(1, 18857260), (2, 9428630), (4, 4714315), (5, 3771452), (10, 1885726), (20, 942863), (353, 53420), (706, 26710), (1412, 13355), (1765, 10684), (2671, 7060), (3530, 5342)]