19948863

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4349}}^1$

素因数の和:4502

約数の個数: 16

約数和(自身を含む): 29232000

約数和(自身を除く): 9283137

約数列:

[1, 3, 11, 33, 139, 417, 1529, 4349, 4587, 13047, 47839, 143517, 604511, 1813533, 6649621, 19948863]

約数ペア:

[(1, 19948863), (3, 6649621), (11, 1813533), (33, 604511), (139, 143517), (417, 47839), (1529, 13047), (4349, 4587)]