19720778868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{78257059}}^1$

素因数の和:78257076

約数の個数: 36

約数和(自身を含む): 56971139680

約数和(自身を除く): 37250360812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 78257059, 156514118, 234771177, 313028236, 469542354, 547799413, 704313531, 939084708, 1095598826, 1408627062, 1643398239, 2191197652, 2817254124, 3286796478, 4930194717, 6573592956, 9860389434, 19720778868]

約数ペア:

[(1, 19720778868), (2, 9860389434), (3, 6573592956), (4, 4930194717), (6, 3286796478), (7, 2817254124), (9, 2191197652), (12, 1643398239), (14, 1408627062), (18, 1095598826), (21, 939084708), (28, 704313531), (36, 547799413), (42, 469542354), (63, 313028236), (84, 234771177), (126, 156514118), (252, 78257059)]