18857720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67349}}^1$

素因数の和:67367

約数の個数: 32

約数和(自身を含む): 48492000

約数和(自身を除く): 29634280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67349, 134698, 269396, 336745, 471443, 538792, 673490, 942886, 1346980, 1885772, 2357215, 2693960, 3771544, 4714430, 9428860, 18857720]

約数ペア:

[(1, 18857720), (2, 9428860), (4, 4714430), (5, 3771544), (7, 2693960), (8, 2357215), (10, 1885772), (14, 1346980), (20, 942886), (28, 673490), (35, 538792), (40, 471443), (56, 336745), (70, 269396), (140, 134698), (280, 67349)]