19943710

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12703}}^1$

素因数の和:12867

約数の個数: 16

約数和(自身を含む): 36130176

約数和(自身を除く): 16186466

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 12703, 25406, 63515, 127030, 1994371, 3988742, 9971855, 19943710]

約数ペア:

[(1, 19943710), (2, 9971855), (5, 3988742), (10, 1994371), (157, 127030), (314, 63515), (785, 25406), (1570, 12703)]