19901208223

素因数分解:

${\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{647}}^1\times {\mathrm{5647}}^1$

素因数の和:6726

約数の個数: 16

約数和(自身を含む): 21520235520

約数和(自身を除く): 1619027297

約数列:

[1, 13, 419, 647, 5447, 5647, 8411, 73411, 271093, 2366093, 3524209, 3653609, 30759209, 47496917, 1530862171, 19901208223]

約数ペア:

[(1, 19901208223), (13, 1530862171), (419, 47496917), (647, 30759209), (5447, 3653609), (5647, 3524209), (8411, 2366093), (73411, 271093)]