18431981576

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{1229}}^1\times {\mathrm{13487}}^1$

素因数の和:14861

約数の個数: 32

約数和(自身を含む): 34839504000

約数和(自身を除く): 16407522424

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 1229, 2458, 4916, 9832, 13487, 26974, 53948, 107896, 170831, 341662, 683324, 1366648, 1874693, 3749386, 7498772, 14997544, 16575523, 33151046, 66302092, 132604184, 2303997697, 4607995394, 9215990788, 18431981576]

約数ペア:

[(1, 18431981576), (2, 9215990788), (4, 4607995394), (8, 2303997697), (139, 132604184), (278, 66302092), (556, 33151046), (1112, 16575523), (1229, 14997544), (2458, 7498772), (4916, 3749386), (9832, 1874693), (13487, 1366648), (26974, 683324), (53948, 341662), (107896, 170831)]