18879274

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21601}}^1$

素因数の和:21645

約数の個数: 16

約数和(自身を含む): 31106880

約数和(自身を除く): 12227606

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 21601, 43202, 410419, 496823, 820838, 993646, 9439637, 18879274]

約数ペア:

[(1, 18879274), (2, 9439637), (19, 993646), (23, 820838), (38, 496823), (46, 410419), (437, 43202), (874, 21601)]