18215260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18587}}^1$

素因数の和:18610

約数の個数: 36

約数和(自身を含む): 44499672

約数和(自身を除く): 26284412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18587, 37174, 74348, 92935, 130109, 185870, 260218, 371740, 520436, 650545, 910763, 1301090, 1821526, 2602180, 3643052, 4553815, 9107630, 18215260]

約数ペア:

[(1, 18215260), (2, 9107630), (4, 4553815), (5, 3643052), (7, 2602180), (10, 1821526), (14, 1301090), (20, 910763), (28, 650545), (35, 520436), (49, 371740), (70, 260218), (98, 185870), (140, 130109), (196, 92935), (245, 74348), (490, 37174), (980, 18587)]