19913030

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53819}}^1$

素因数の和:53863

約数の個数: 16

約数和(自身を含む): 36812880

約数和(自身を除く): 16899850

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 53819, 107638, 269095, 538190, 1991303, 3982606, 9956515, 19913030]

約数ペア:

[(1, 19913030), (2, 9956515), (5, 3982606), (10, 1991303), (37, 538190), (74, 269095), (185, 107638), (370, 53819)]