18251018555

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{90641}}^1$

素因数の和:91187

約数の個数: 32

約数和(自身を含む): 27357931008

約数和(自身を除く): 9106912453

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 523, 2615, 3661, 5753, 18305, 28765, 40271, 90641, 201355, 453205, 634487, 997051, 3172435, 4985255, 6979357, 34896785, 47405243, 237026215, 331836701, 521457673, 1659183505, 2607288365, 3650203711, 18251018555]

約数ペア:

[(1, 18251018555), (5, 3650203711), (7, 2607288365), (11, 1659183505), (35, 521457673), (55, 331836701), (77, 237026215), (385, 47405243), (523, 34896785), (2615, 6979357), (3661, 4985255), (5753, 3172435), (18305, 997051), (28765, 634487), (40271, 453205), (90641, 201355)]