1869081220

素因数分解:

$2^2\times 5^1\times {\mathrm{13109}}^1\times {\mathrm{7129}}^1$

素因数の和:20247

約数の個数: 24

約数和(自身を含む): 3925920600

約数和(自身を除く): 2056839380

約数列:

[1, 2, 4, 5, 10, 20, 7129, 13109, 14258, 26218, 28516, 35645, 52436, 65545, 71290, 131090, 142580, 262180, 93454061, 186908122, 373816244, 467270305, 934540610, 1869081220]

約数ペア:

[(1, 1869081220), (2, 934540610), (4, 467270305), (5, 373816244), (10, 186908122), (20, 93454061), (7129, 262180), (13109, 142580), (14258, 131090), (26218, 71290), (28516, 65545), (35645, 52436)]