19973214891

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1384433}}^1$

素因数の和:1384675

約数の個数: 24

約数和(自身を含む): 33115661280

約数和(自身を除く): 13142446389

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1603, 2061, 4809, 14427, 1384433, 4153299, 9691031, 12459897, 29073093, 87219279, 317035157, 951105471, 2219246099, 2853316413, 6657738297, 19973214891]

約数ペア:

[(1, 19973214891), (3, 6657738297), (7, 2853316413), (9, 2219246099), (21, 951105471), (63, 317035157), (229, 87219279), (687, 29073093), (1603, 12459897), (2061, 9691031), (4809, 4153299), (14427, 1384433)]