18905510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3547}}^1$

素因数の和:3608

約数の個数: 32

約数和(自身を含む): 37552032

約数和(自身を除く): 18646522

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 3547, 5330, 7094, 17735, 35470, 46111, 92222, 145427, 230555, 290854, 461110, 727135, 1454270, 1890551, 3781102, 9452755, 18905510]

約数ペア:

[(1, 18905510), (2, 9452755), (5, 3781102), (10, 1890551), (13, 1454270), (26, 727135), (41, 461110), (65, 290854), (82, 230555), (130, 145427), (205, 92222), (410, 46111), (533, 35470), (1066, 17735), (2665, 7094), (3547, 5330)]