19708360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1193}}^1$

素因数の和:1270

約数の個数: 64

約数和(自身を含む): 51580800

約数和(自身を除く): 31872440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 1180, 1193, 1652, 2065, 2360, 2386, 3304, 4130, 4772, 5965, 8260, 8351, 9544, 11930, 16520, 16702, 23860, 33404, 41755, 47720, 66808, 70387, 83510, 140774, 167020, 281548, 334040, 351935, 492709, 563096, 703870, 985418, 1407740, 1970836, 2463545, 2815480, 3941672, 4927090, 9854180, 19708360]

約数ペア:

[(1, 19708360), (2, 9854180), (4, 4927090), (5, 3941672), (7, 2815480), (8, 2463545), (10, 1970836), (14, 1407740), (20, 985418), (28, 703870), (35, 563096), (40, 492709), (56, 351935), (59, 334040), (70, 281548), (118, 167020), (140, 140774), (236, 83510), (280, 70387), (295, 66808), (413, 47720), (472, 41755), (590, 33404), (826, 23860), (1180, 16702), (1193, 16520), (1652, 11930), (2065, 9544), (2360, 8351), (2386, 8260), (3304, 5965), (4130, 4772)]