19882113

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2341}}^1$

素因数の和:2512

約数の個数: 16

約数和(自身を含む): 28104000

約数和(自身を除く): 8221887

約数列:

[1, 3, 19, 57, 149, 447, 2341, 2831, 7023, 8493, 44479, 133437, 348809, 1046427, 6627371, 19882113]

約数ペア:

[(1, 19882113), (3, 6627371), (19, 1046427), (57, 348809), (149, 133437), (447, 44479), (2341, 8493), (2831, 7023)]