18423981025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{206489}}^1$

素因数の和:206625

約数の個数: 24

約数和(自身を含む): 23658798240

約数和(自身を除く): 5234817215

約数列:

[1, 5, 25, 43, 83, 215, 415, 1075, 2075, 3569, 17845, 89225, 206489, 1032445, 5162225, 8879027, 17138587, 44395135, 85692935, 221975675, 428464675, 736959241, 3684796205, 18423981025]

約数ペア:

[(1, 18423981025), (5, 3684796205), (25, 736959241), (43, 428464675), (83, 221975675), (215, 85692935), (415, 44395135), (1075, 17138587), (2075, 8879027), (3569, 5162225), (17845, 1032445), (89225, 206489)]