19939617

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{317}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 30012840

約数和(自身を除く): 10073223

約数列:

[1, 3, 9, 29, 87, 241, 261, 317, 723, 951, 2169, 2853, 6989, 9193, 20967, 27579, 62901, 76397, 82737, 229191, 687573, 2215513, 6646539, 19939617]

約数ペア:

[(1, 19939617), (3, 6646539), (9, 2215513), (29, 687573), (87, 229191), (241, 82737), (261, 76397), (317, 62901), (723, 27579), (951, 20967), (2169, 9193), (2853, 6989)]