19578753

素因数分解:

$3^6\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:376

約数の個数: 28

約数和(自身を含む): 29747088

約数和(自身を除く): 10168335

約数列:

[1, 3, 9, 27, 81, 107, 243, 251, 321, 729, 753, 963, 2259, 2889, 6777, 8667, 20331, 26001, 26857, 60993, 78003, 80571, 182979, 241713, 725139, 2175417, 6526251, 19578753]

約数ペア:

[(1, 19578753), (3, 6526251), (9, 2175417), (27, 725139), (81, 241713), (107, 182979), (243, 80571), (251, 78003), (321, 60993), (729, 26857), (753, 26001), (963, 20331), (2259, 8667), (2889, 6777)]