19696210660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{144889}}^1$

素因数の和:145876

約数の個数: 48

約数和(自身を含む): 47319914880

約数和(自身を除く): 27623704220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 971, 1942, 3884, 4855, 6797, 9710, 13594, 19420, 27188, 33985, 67970, 135940, 144889, 289778, 579556, 724445, 1014223, 1448890, 2028446, 2897780, 4056892, 5071115, 10142230, 20284460, 140687219, 281374438, 562748876, 703436095, 984810533, 1406872190, 1969621066, 2813744380, 3939242132, 4924052665, 9848105330, 19696210660]

約数ペア:

[(1, 19696210660), (2, 9848105330), (4, 4924052665), (5, 3939242132), (7, 2813744380), (10, 1969621066), (14, 1406872190), (20, 984810533), (28, 703436095), (35, 562748876), (70, 281374438), (140, 140687219), (971, 20284460), (1942, 10142230), (3884, 5071115), (4855, 4056892), (6797, 2897780), (9710, 2028446), (13594, 1448890), (19420, 1014223), (27188, 724445), (33985, 579556), (67970, 289778), (135940, 144889)]