19979256

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{75679}}^1$

素因数の和:75699

約数の個数: 32

約数和(自身を含む): 54489600

約数和(自身を除く): 34510344

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 75679, 151358, 227037, 302716, 454074, 605432, 832469, 908148, 1664938, 1816296, 2497407, 3329876, 4994814, 6659752, 9989628, 19979256]

約数ペア:

[(1, 19979256), (2, 9989628), (3, 6659752), (4, 4994814), (6, 3329876), (8, 2497407), (11, 1816296), (12, 1664938), (22, 908148), (24, 832469), (33, 605432), (44, 454074), (66, 302716), (88, 227037), (132, 151358), (264, 75679)]