18921226

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21649}}^1$

素因数の和:21693

約数の個数: 16

約数和(自身を含む): 31176000

約数和(自身を除く): 12254774

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 21649, 43298, 411331, 497927, 822662, 995854, 9460613, 18921226]

約数ペア:

[(1, 18921226), (2, 9460613), (19, 995854), (23, 822662), (38, 497927), (46, 411331), (437, 43298), (874, 21649)]