19816216

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5801}}^1$

素因数の和:5875

約数の個数: 32

約数和(自身を含む): 43166880

約数和(自身を除く): 23350664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 5801, 11602, 23204, 40607, 46408, 81214, 162428, 324856, 353861, 707722, 1415444, 2477027, 2830888, 4954054, 9908108, 19816216]

約数ペア:

[(1, 19816216), (2, 9908108), (4, 4954054), (7, 2830888), (8, 2477027), (14, 1415444), (28, 707722), (56, 353861), (61, 324856), (122, 162428), (244, 81214), (427, 46408), (488, 40607), (854, 23204), (1708, 11602), (3416, 5801)]