19293327

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 28622880

約数和(自身を除く): 9329553

約数列:

[1, 3, 9, 71, 109, 213, 277, 327, 639, 831, 981, 2493, 7739, 19667, 23217, 30193, 59001, 69651, 90579, 177003, 271737, 2143703, 6431109, 19293327]

約数ペア:

[(1, 19293327), (3, 6431109), (9, 2143703), (71, 271737), (109, 177003), (213, 90579), (277, 69651), (327, 59001), (639, 30193), (831, 23217), (981, 19667), (2493, 7739)]