19992379

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:606

約数の個数: 16

約数和(自身を含む): 22621536

約数和(自身を除く): 2629157

約数列:

[1, 11, 41, 97, 451, 457, 1067, 3977, 5027, 18737, 43747, 44329, 206107, 487619, 1817489, 19992379]

約数ペア:

[(1, 19992379), (11, 1817489), (41, 487619), (97, 206107), (451, 44329), (457, 43747), (1067, 18737), (3977, 5027)]