18774008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{673}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 38579760

約数和(自身を除く): 19805752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 317, 634, 673, 1268, 1346, 2536, 2692, 3487, 5384, 6974, 7403, 13948, 14806, 27896, 29612, 59224, 213341, 426682, 853364, 1706728, 2346751, 4693502, 9387004, 18774008]

約数ペア:

[(1, 18774008), (2, 9387004), (4, 4693502), (8, 2346751), (11, 1706728), (22, 853364), (44, 426682), (88, 213341), (317, 59224), (634, 29612), (673, 27896), (1268, 14806), (1346, 13948), (2536, 7403), (2692, 6974), (3487, 5384)]