19880343

素因数分解:

$3^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{359}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13988457

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 293, 359, 879, 1077, 2051, 2513, 2637, 3231, 6153, 7539, 7911, 9693, 18459, 22617, 55377, 67851, 105187, 315561, 736309, 946683, 2208927, 2840049, 6626781, 19880343]

約数ペア:

[(1, 19880343), (3, 6626781), (7, 2840049), (9, 2208927), (21, 946683), (27, 736309), (63, 315561), (189, 105187), (293, 67851), (359, 55377), (879, 22617), (1077, 18459), (2051, 9693), (2513, 7911), (2637, 7539), (3231, 6153)]