18473656

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 35910000

約数和(自身を除く): 17436344

約数列:

[1, 2, 4, 8, 37, 74, 139, 148, 278, 296, 449, 556, 898, 1112, 1796, 3592, 5143, 10286, 16613, 20572, 33226, 41144, 62411, 66452, 124822, 132904, 249644, 499288, 2309207, 4618414, 9236828, 18473656]

約数ペア:

[(1, 18473656), (2, 9236828), (4, 4618414), (8, 2309207), (37, 499288), (74, 249644), (139, 132904), (148, 124822), (278, 66452), (296, 62411), (449, 41144), (556, 33226), (898, 20572), (1112, 16613), (1796, 10286), (3592, 5143)]