18402795

素因数分解:

$3^4\times 5^1\times {\mathrm{45439}}^1$

素因数の和:45456

約数の個数: 20

約数和(自身を含む): 32989440

約数和(自身を除く): 14586645

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 45439, 136317, 227195, 408951, 681585, 1226853, 2044755, 3680559, 6134265, 18402795]

約数ペア:

[(1, 18402795), (3, 6134265), (5, 3680559), (9, 2044755), (15, 1226853), (27, 681585), (45, 408951), (81, 227195), (135, 136317), (405, 45439)]