19383091

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6871}}^1$

素因数の和:6922

約数の個数: 16

約数和(自身を含む): 24629248

約数和(自身を除く): 5246157

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 6871, 48097, 89323, 213001, 625261, 1491007, 2769013, 19383091]

約数ペア:

[(1, 19383091), (7, 2769013), (13, 1491007), (31, 625261), (91, 213001), (217, 89323), (403, 48097), (2821, 6871)]