18972855

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38329}}^1$

素因数の和:38351

約数の個数: 24

約数和(自身を含む): 35876880

約数和(自身を除く): 16904025

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 38329, 114987, 191645, 344961, 421619, 574935, 1264857, 1724805, 2108095, 3794571, 6324285, 18972855]

約数ペア:

[(1, 18972855), (3, 6324285), (5, 3794571), (9, 2108095), (11, 1724805), (15, 1264857), (33, 574935), (45, 421619), (55, 344961), (99, 191645), (165, 114987), (495, 38329)]