19923736

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5011}}^1$

素因数の和:5095

約数の個数: 32

約数和(自身を含む): 43303680

約数和(自身を除く): 23379944

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 5011, 10022, 20044, 35077, 40088, 70154, 140308, 280616, 355781, 711562, 1423124, 2490467, 2846248, 4980934, 9961868, 19923736]

約数ペア:

[(1, 19923736), (2, 9961868), (4, 4980934), (7, 2846248), (8, 2490467), (14, 1423124), (28, 711562), (56, 355781), (71, 280616), (142, 140308), (284, 70154), (497, 40088), (568, 35077), (994, 20044), (1988, 10022), (3976, 5011)]