18711321

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4679}}^1$

素因数の和:4756

約数の個数: 16

約数和(自身を含む): 26357760

約数和(自身を除く): 7646439

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 4679, 14037, 145049, 201197, 435147, 603591, 6237107, 18711321]

約数ペア:

[(1, 18711321), (3, 6237107), (31, 603591), (43, 435147), (93, 201197), (129, 145049), (1333, 14037), (3999, 4679)]