18704387471

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{613}}^1\times {\mathrm{1777}}^1$

素因数の和:2631

約数の個数: 32

約数和(自身を含む): 23475744768

約数和(自身を除く): 4771357297

約数列:

[1, 7, 11, 77, 223, 613, 1561, 1777, 2453, 4291, 6743, 12439, 17171, 19547, 47201, 136699, 136829, 396271, 956893, 1089301, 1503689, 2773897, 4358981, 7625107, 10525823, 11982311, 30512867, 83876177, 242914123, 1700398861, 2672055353, 18704387471]

約数ペア:

[(1, 18704387471), (7, 2672055353), (11, 1700398861), (77, 242914123), (223, 83876177), (613, 30512867), (1561, 11982311), (1777, 10525823), (2453, 7625107), (4291, 4358981), (6743, 2773897), (12439, 1503689), (17171, 1089301), (19547, 956893), (47201, 396271), (136699, 136829)]