19903827

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 27216000

約数和(自身を除く): 7312173

約数列:

[1, 3, 59, 139, 177, 417, 809, 2427, 8201, 24603, 47731, 112451, 143193, 337353, 6634609, 19903827]

約数ペア:

[(1, 19903827), (3, 6634609), (59, 337353), (139, 143193), (177, 112451), (417, 47731), (809, 24603), (2427, 8201)]