19813620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330227}}^1$

素因数の和:330239

約数の個数: 24

約数和(自身を含む): 55478304

約数和(自身を除く): 35664684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330227, 660454, 990681, 1320908, 1651135, 1981362, 3302270, 3962724, 4953405, 6604540, 9906810, 19813620]

約数ペア:

[(1, 19813620), (2, 9906810), (3, 6604540), (4, 4953405), (5, 3962724), (6, 3302270), (10, 1981362), (12, 1651135), (15, 1320908), (20, 990681), (30, 660454), (60, 330227)]