18903195

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22109}}^1$

素因数の和:22139

約数の個数: 24

約数和(自身を含む): 34491600

約数和(自身を除く): 15588405

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 22109, 66327, 110545, 198981, 331635, 420071, 994905, 1260213, 2100355, 3780639, 6301065, 18903195]

約数ペア:

[(1, 18903195), (3, 6301065), (5, 3780639), (9, 2100355), (15, 1260213), (19, 994905), (45, 420071), (57, 331635), (95, 198981), (171, 110545), (285, 66327), (855, 22109)]