19944987

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{1493}}^1$

素因数の和:1630

約数の個数: 16

約数和(自身を含む): 27417888

約数和(自身を除く): 7472901

約数列:

[1, 3, 61, 73, 183, 219, 1493, 4453, 4479, 13359, 91073, 108989, 273219, 326967, 6648329, 19944987]

約数ペア:

[(1, 19944987), (3, 6648329), (61, 326967), (73, 273219), (183, 108989), (219, 91073), (1493, 13359), (4453, 4479)]