19943055

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40289}}^1$

素因数の和:40311

約数の個数: 24

約数和(自身を含む): 37711440

約数和(自身を除く): 17768385

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40289, 120867, 201445, 362601, 443179, 604335, 1329537, 1813005, 2215895, 3988611, 6647685, 19943055]

約数ペア:

[(1, 19943055), (3, 6647685), (5, 3988611), (9, 2215895), (11, 1813005), (15, 1329537), (33, 604335), (45, 443179), (55, 362601), (99, 201445), (165, 120867), (495, 40289)]