19855215

素因数分解:

$3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1019}}^1$

素因数の和:1463

約数の個数: 24

約数和(自身を含む): 34529040

約数和(自身を除く): 14673825

約数列:

[1, 3, 5, 9, 15, 45, 433, 1019, 1299, 2165, 3057, 3897, 5095, 6495, 9171, 15285, 19485, 45855, 441227, 1323681, 2206135, 3971043, 6618405, 19855215]

約数ペア:

[(1, 19855215), (3, 6618405), (5, 3971043), (9, 2206135), (15, 1323681), (45, 441227), (433, 45855), (1019, 19485), (1299, 15285), (2165, 9171), (3057, 6495), (3897, 5095)]