19222281

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8647}}^1$

素因数の和:8685

約数の個数: 24

約数和(自身を含む): 31478720

約数和(自身を除く): 12256439

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8647, 25941, 77823, 112411, 164293, 337233, 492879, 1011699, 1478637, 2135809, 6407427, 19222281]

約数ペア:

[(1, 19222281), (3, 6407427), (9, 2135809), (13, 1478637), (19, 1011699), (39, 492879), (57, 337233), (117, 164293), (171, 112411), (247, 77823), (741, 25941), (2223, 8647)]