18373978

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 32832000

約数和(自身を除く): 14458022

約数列:

[1, 2, 7, 14, 37, 74, 79, 158, 259, 449, 518, 553, 898, 1106, 2923, 3143, 5846, 6286, 16613, 20461, 33226, 35471, 40922, 70942, 116291, 232582, 248297, 496594, 1312427, 2624854, 9186989, 18373978]

約数ペア:

[(1, 18373978), (2, 9186989), (7, 2624854), (14, 1312427), (37, 496594), (74, 248297), (79, 232582), (158, 116291), (259, 70942), (449, 40922), (518, 35471), (553, 33226), (898, 20461), (1106, 16613), (2923, 6286), (3143, 5846)]