31931514

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1279}}^1$

素因数の和:1379

約数の個数: 48

約数和(自身を含む): 73881600

約数和(自身を除く): 41950086

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 73, 114, 146, 171, 219, 342, 438, 657, 1279, 1314, 1387, 2558, 2774, 3837, 4161, 7674, 8322, 11511, 12483, 23022, 24301, 24966, 48602, 72903, 93367, 145806, 186734, 218709, 280101, 437418, 560202, 840303, 1680606, 1773973, 3547946, 5321919, 10643838, 15965757, 31931514]

約数ペア:

[(1, 31931514), (2, 15965757), (3, 10643838), (6, 5321919), (9, 3547946), (18, 1773973), (19, 1680606), (38, 840303), (57, 560202), (73, 437418), (114, 280101), (146, 218709), (171, 186734), (219, 145806), (342, 93367), (438, 72903), (657, 48602), (1279, 24966), (1314, 24301), (1387, 23022), (2558, 12483), (2774, 11511), (3837, 8322), (4161, 7674)]