19378899

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15271}}^1$

素因数の和:15327

約数の個数: 16

約数和(自身を含む): 29322240

約数和(自身を除く): 9943341

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15271, 45813, 137439, 412317, 717737, 2153211, 6459633, 19378899]

約数ペア:

[(1, 19378899), (3, 6459633), (9, 2153211), (27, 717737), (47, 412317), (141, 137439), (423, 45813), (1269, 15271)]