18485866

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 32919552

約数和(自身を除く): 14433686

約数列:

[1, 2, 7, 14, 37, 74, 127, 254, 259, 281, 518, 562, 889, 1778, 1967, 3934, 4699, 9398, 10397, 20794, 32893, 35687, 65786, 71374, 72779, 145558, 249809, 499618, 1320419, 2640838, 9242933, 18485866]

約数ペア:

[(1, 18485866), (2, 9242933), (7, 2640838), (14, 1320419), (37, 499618), (74, 249809), (127, 145558), (254, 72779), (259, 71374), (281, 65786), (518, 35687), (562, 32893), (889, 20794), (1778, 10397), (1967, 9398), (3934, 4699)]