18479930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 40061952

約数和(自身を除く): 21582022

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 47, 70, 82, 94, 137, 205, 235, 274, 287, 329, 410, 470, 574, 658, 685, 959, 1370, 1435, 1645, 1918, 1927, 2870, 3290, 3854, 4795, 5617, 6439, 9590, 9635, 11234, 12878, 13489, 19270, 26978, 28085, 32195, 39319, 45073, 56170, 64390, 67445, 78638, 90146, 134890, 196595, 225365, 263999, 393190, 450730, 527998, 1319995, 1847993, 2639990, 3695986, 9239965, 18479930]

約数ペア:

[(1, 18479930), (2, 9239965), (5, 3695986), (7, 2639990), (10, 1847993), (14, 1319995), (35, 527998), (41, 450730), (47, 393190), (70, 263999), (82, 225365), (94, 196595), (137, 134890), (205, 90146), (235, 78638), (274, 67445), (287, 64390), (329, 56170), (410, 45073), (470, 39319), (574, 32195), (658, 28085), (685, 26978), (959, 19270), (1370, 13489), (1435, 12878), (1645, 11234), (1918, 9635), (1927, 9590), (2870, 6439), (3290, 5617), (3854, 4795)]