19805841

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5407}}^1$

素因数の和:5461

約数の個数: 24

約数和(自身を含む): 32058624

約数和(自身を除く): 12252783

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 5407, 16221, 48663, 59477, 178431, 200059, 535293, 600177, 1800531, 2200649, 6601947, 19805841]

約数ペア:

[(1, 19805841), (3, 6601947), (9, 2200649), (11, 1800531), (33, 600177), (37, 535293), (99, 200059), (111, 178431), (333, 59477), (407, 48663), (1221, 16221), (3663, 5407)]