19470920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69539}}^1$

素因数の和:69557

約数の個数: 32

約数和(自身を含む): 50068800

約数和(自身を除く): 30597880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69539, 139078, 278156, 347695, 486773, 556312, 695390, 973546, 1390780, 1947092, 2433865, 2781560, 3894184, 4867730, 9735460, 19470920]

約数ペア:

[(1, 19470920), (2, 9735460), (4, 4867730), (5, 3894184), (7, 2781560), (8, 2433865), (10, 1947092), (14, 1390780), (20, 973546), (28, 695390), (35, 556312), (40, 486773), (56, 347695), (70, 278156), (140, 139078), (280, 69539)]