18924950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1811}}^1$

素因数の和:1853

約数の個数: 48

約数和(自身を含む): 40443840

約数和(自身を除く): 21518890

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 1811, 2090, 3622, 5225, 9055, 10450, 18110, 19921, 34409, 39842, 45275, 68818, 90550, 99605, 172045, 199210, 344090, 378499, 498025, 756998, 860225, 996050, 1720450, 1892495, 3784990, 9462475, 18924950]

約数ペア:

[(1, 18924950), (2, 9462475), (5, 3784990), (10, 1892495), (11, 1720450), (19, 996050), (22, 860225), (25, 756998), (38, 498025), (50, 378499), (55, 344090), (95, 199210), (110, 172045), (190, 99605), (209, 90550), (275, 68818), (418, 45275), (475, 39842), (550, 34409), (950, 19921), (1045, 18110), (1811, 10450), (2090, 9055), (3622, 5225)]