19506838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9497}}^1$

素因数の和:9591

約数の個数: 16

約数和(自身を含む): 31913280

約数和(自身を除く): 12406442

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 9497, 18994, 123461, 246922, 750263, 1500526, 9753419, 19506838]

約数ペア:

[(1, 19506838), (2, 9753419), (13, 1500526), (26, 750263), (79, 246922), (158, 123461), (1027, 18994), (2054, 9497)]