19493709

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2879}}^1$

素因数の和:2980

約数の個数: 16

約数和(自身を含む): 27141120

約数和(自身を除く): 7647411

約数列:

[1, 3, 37, 61, 111, 183, 2257, 2879, 6771, 8637, 106523, 175619, 319569, 526857, 6497903, 19493709]

約数ペア:

[(1, 19493709), (3, 6497903), (37, 526857), (61, 319569), (111, 175619), (183, 106523), (2257, 8637), (2879, 6771)]