19995794

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{607}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 37180416

約数和(自身を除く): 17184622

約数列:

[1, 2, 7, 13, 14, 26, 91, 181, 182, 362, 607, 1214, 1267, 2353, 2534, 4249, 4706, 7891, 8498, 15782, 16471, 32942, 55237, 109867, 110474, 219734, 769069, 1428271, 1538138, 2856542, 9997897, 19995794]

約数ペア:

[(1, 19995794), (2, 9997897), (7, 2856542), (13, 1538138), (14, 1428271), (26, 769069), (91, 219734), (181, 110474), (182, 109867), (362, 55237), (607, 32942), (1214, 16471), (1267, 15782), (2353, 8498), (2534, 7891), (4249, 4706)]