2018321721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{907927}}^1$

素因数の和:907965

約数の個数: 24

約数和(自身を含む): 3304857920

約数和(自身を除く): 1286536199

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 907927, 2723781, 8171343, 11803051, 17250613, 35409153, 51751839, 106227459, 155255517, 224257969, 672773907, 2018321721]

約数ペア:

[(1, 2018321721), (3, 672773907), (9, 224257969), (13, 155255517), (19, 106227459), (39, 51751839), (57, 35409153), (117, 17250613), (171, 11803051), (247, 8171343), (741, 2723781), (2223, 907927)]