19852515

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25951}}^1$

素因数の和:25979

約数の個数: 24

約数和(自身を含む): 36436608

約数和(自身を除く): 16584093

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 25951, 77853, 129755, 233559, 389265, 441167, 1167795, 1323501, 2205835, 3970503, 6617505, 19852515]

約数ペア:

[(1, 19852515), (3, 6617505), (5, 3970503), (9, 2205835), (15, 1323501), (17, 1167795), (45, 441167), (51, 389265), (85, 233559), (153, 129755), (255, 77853), (765, 25951)]