19989242

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109831}}^1$

素因数の和:109853

約数の個数: 16

約数和(自身を含む): 36903552

約数和(自身を除く): 16914310

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 109831, 219662, 768817, 1427803, 1537634, 2855606, 9994621, 19989242]

約数ペア:

[(1, 19989242), (2, 9994621), (7, 2855606), (13, 1537634), (14, 1427803), (26, 768817), (91, 219662), (182, 109831)]