19946928

素因数分解:

$2^4\times 3^1\times {\mathrm{149}}^1\times {\mathrm{2789}}^1$

素因数の和:2949

約数の個数: 40

約数和(自身を含む): 51894000

約数和(自身を除く): 31947072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 149, 298, 447, 596, 894, 1192, 1788, 2384, 2789, 3576, 5578, 7152, 8367, 11156, 16734, 22312, 33468, 44624, 66936, 133872, 415561, 831122, 1246683, 1662244, 2493366, 3324488, 4986732, 6648976, 9973464, 19946928]

約数ペア:

[(1, 19946928), (2, 9973464), (3, 6648976), (4, 4986732), (6, 3324488), (8, 2493366), (12, 1662244), (16, 1246683), (24, 831122), (48, 415561), (149, 133872), (298, 66936), (447, 44624), (596, 33468), (894, 22312), (1192, 16734), (1788, 11156), (2384, 8367), (2789, 7152), (3576, 5578)]