18756472

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1091}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 40360320

約数和(自身を除く): 21603848

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 614, 1091, 1228, 2149, 2182, 2456, 4298, 4364, 7637, 8596, 8728, 15274, 17192, 30548, 61096, 334937, 669874, 1339748, 2344559, 2679496, 4689118, 9378236, 18756472]

約数ペア:

[(1, 18756472), (2, 9378236), (4, 4689118), (7, 2679496), (8, 2344559), (14, 1339748), (28, 669874), (56, 334937), (307, 61096), (614, 30548), (1091, 17192), (1228, 15274), (2149, 8728), (2182, 8596), (2456, 7637), (4298, 4364)]