19813740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330229}}^1$

素因数の和:330241

約数の個数: 24

約数和(自身を含む): 55478640

約数和(自身を除く): 35664900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330229, 660458, 990687, 1320916, 1651145, 1981374, 3302290, 3962748, 4953435, 6604580, 9906870, 19813740]

約数ペア:

[(1, 19813740), (2, 9906870), (3, 6604580), (4, 4953435), (5, 3962748), (6, 3302290), (10, 1981374), (12, 1651145), (15, 1320916), (20, 990687), (30, 660458), (60, 330229)]