19523619

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 30528000

約数和(自身を除く): 11004381

約数列:

[1, 3, 9, 23, 27, 69, 149, 207, 211, 447, 621, 633, 1341, 1899, 3427, 4023, 4853, 5697, 10281, 14559, 30843, 31439, 43677, 92529, 94317, 131031, 282951, 723097, 848853, 2169291, 6507873, 19523619]

約数ペア:

[(1, 19523619), (3, 6507873), (9, 2169291), (23, 848853), (27, 723097), (69, 282951), (149, 131031), (207, 94317), (211, 92529), (447, 43677), (621, 31439), (633, 30843), (1341, 14559), (1899, 10281), (3427, 5697), (4023, 4853)]