19700388

素因数分解:

$2^2\times 3^3\times {\mathrm{79}}^1\times {\mathrm{2309}}^1$

素因数の和:2401

約数の個数: 48

約数和(自身を含む): 51744000

約数和(自身を除く): 32043612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 108, 158, 237, 316, 474, 711, 948, 1422, 2133, 2309, 2844, 4266, 4618, 6927, 8532, 9236, 13854, 20781, 27708, 41562, 62343, 83124, 124686, 182411, 249372, 364822, 547233, 729644, 1094466, 1641699, 2188932, 3283398, 4925097, 6566796, 9850194, 19700388]

約数ペア:

[(1, 19700388), (2, 9850194), (3, 6566796), (4, 4925097), (6, 3283398), (9, 2188932), (12, 1641699), (18, 1094466), (27, 729644), (36, 547233), (54, 364822), (79, 249372), (108, 182411), (158, 124686), (237, 83124), (316, 62343), (474, 41562), (711, 27708), (948, 20781), (1422, 13854), (2133, 9236), (2309, 8532), (2844, 6927), (4266, 4618)]