19172457

素因数分解:

$3^5\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 28924896

約数和(自身を除く): 9752439

約数列:

[1, 3, 9, 27, 81, 243, 257, 307, 771, 921, 2313, 2763, 6939, 8289, 20817, 24867, 62451, 74601, 78899, 236697, 710091, 2130273, 6390819, 19172457]

約数ペア:

[(1, 19172457), (3, 6390819), (9, 2130273), (27, 710091), (81, 236697), (243, 78899), (257, 74601), (307, 62451), (771, 24867), (921, 20817), (2313, 8289), (2763, 6939)]