19893783

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{72871}}^1$

素因数の和:72894

約数の個数: 16

約数和(自身を含む): 32646656

約数和(自身を除く): 12752873

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 72871, 218613, 510097, 947323, 1530291, 2841969, 6631261, 19893783]

約数ペア:

[(1, 19893783), (3, 6631261), (7, 2841969), (13, 1530291), (21, 947323), (39, 510097), (91, 218613), (273, 72871)]