19840766

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 34276608

約数和(自身を除く): 14435842

約数列:

[1, 2, 11, 22, 23, 46, 113, 226, 253, 347, 506, 694, 1243, 2486, 2599, 3817, 5198, 7634, 7981, 15962, 28589, 39211, 57178, 78422, 87791, 175582, 431321, 862642, 901853, 1803706, 9920383, 19840766]

約数ペア:

[(1, 19840766), (2, 9920383), (11, 1803706), (22, 901853), (23, 862642), (46, 431321), (113, 175582), (226, 87791), (253, 78422), (347, 57178), (506, 39211), (694, 28589), (1243, 15962), (2486, 7981), (2599, 7634), (3817, 5198)]