18756976

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{751}}^1$

素因数の和:989

約数の個数: 40

約数和(自身を含む): 41775104

約数和(自身を除く): 23018128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 751, 892, 1502, 1561, 1784, 3004, 3122, 3568, 5257, 6008, 6244, 10514, 12016, 12488, 21028, 24976, 42056, 84112, 167473, 334946, 669892, 1172311, 1339784, 2344622, 2679568, 4689244, 9378488, 18756976]

約数ペア:

[(1, 18756976), (2, 9378488), (4, 4689244), (7, 2679568), (8, 2344622), (14, 1339784), (16, 1172311), (28, 669892), (56, 334946), (112, 167473), (223, 84112), (446, 42056), (751, 24976), (892, 21028), (1502, 12488), (1561, 12016), (1784, 10514), (3004, 6244), (3122, 6008), (3568, 5257)]