19420809

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1889}}^1$

素因数の和:2064

約数の個数: 16

約数和(自身を含む): 27216000

約数和(自身を除く): 7795191

約数列:

[1, 3, 23, 69, 149, 447, 1889, 3427, 5667, 10281, 43447, 130341, 281461, 844383, 6473603, 19420809]

約数ペア:

[(1, 19420809), (3, 6473603), (23, 844383), (69, 281461), (149, 130341), (447, 43447), (1889, 10281), (3427, 5667)]