19976530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16787}}^1$

素因数の和:16818

約数の個数: 32

約数和(自身を含む): 43514496

約数和(自身を除く): 23537966

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 16787, 33574, 83935, 117509, 167870, 235018, 285379, 570758, 587545, 1175090, 1426895, 1997653, 2853790, 3995306, 9988265, 19976530]

約数ペア:

[(1, 19976530), (2, 9988265), (5, 3995306), (7, 2853790), (10, 1997653), (14, 1426895), (17, 1175090), (34, 587545), (35, 570758), (70, 285379), (85, 235018), (119, 167870), (170, 117509), (238, 83935), (595, 33574), (1190, 16787)]