19551660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{325861}}^1$

素因数の和:325873

約数の個数: 24

約数和(自身を含む): 54744816

約数和(自身を除く): 35193156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 325861, 651722, 977583, 1303444, 1629305, 1955166, 3258610, 3910332, 4887915, 6517220, 9775830, 19551660]

約数ペア:

[(1, 19551660), (2, 9775830), (3, 6517220), (4, 4887915), (5, 3910332), (6, 3258610), (10, 1955166), (12, 1629305), (15, 1303444), (20, 977583), (30, 651722), (60, 325861)]