19754901

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 31288320

約数和(自身を除く): 11533419

約数列:

[1, 3, 9, 17, 27, 51, 153, 193, 223, 459, 579, 669, 1737, 2007, 3281, 3791, 5211, 6021, 9843, 11373, 29529, 34119, 43039, 88587, 102357, 129117, 387351, 731663, 1162053, 2194989, 6584967, 19754901]

約数ペア:

[(1, 19754901), (3, 6584967), (9, 2194989), (17, 1162053), (27, 731663), (51, 387351), (153, 129117), (193, 102357), (223, 88587), (459, 43039), (579, 34119), (669, 29529), (1737, 11373), (2007, 9843), (3281, 6021), (3791, 5211)]