19997146

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{593}}^1\times {\mathrm{1297}}^1$

素因数の和:1905

約数の個数: 16

約数和(自身を含む): 32382504

約数和(自身を除く): 12385358

約数列:

[1, 2, 13, 26, 593, 1186, 1297, 2594, 7709, 15418, 16861, 33722, 769121, 1538242, 9998573, 19997146]

約数ペア:

[(1, 19997146), (2, 9998573), (13, 1538242), (26, 769121), (593, 33722), (1186, 16861), (1297, 15418), (2594, 7709)]