19849138

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:378

約数の個数: 24

約数和(自身を含む): 31673628

約数和(自身を除く): 11824490

約数列:

[1, 2, 23, 46, 73, 146, 257, 514, 529, 1058, 1679, 3358, 5911, 11822, 18761, 37522, 38617, 77234, 135953, 271906, 431503, 863006, 9924569, 19849138]

約数ペア:

[(1, 19849138), (2, 9924569), (23, 863006), (46, 431503), (73, 271906), (146, 135953), (257, 77234), (514, 38617), (529, 37522), (1058, 18761), (1679, 11822), (3358, 5911)]