31470878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2129}}^1$

素因数の和:2539

約数の個数: 16

約数和(自身を含む): 49842000

約数和(自身を除く): 18371122

約数列:

[1, 2, 19, 38, 389, 778, 2129, 4258, 7391, 14782, 40451, 80902, 828181, 1656362, 15735439, 31470878]

約数ペア:

[(1, 31470878), (2, 15735439), (19, 1656362), (38, 828181), (389, 80902), (778, 40451), (2129, 14782), (4258, 7391)]