18935680

素因数分解:

$2^7\times 5^1\times {\mathrm{29587}}^1$

素因数の和:29606

約数の個数: 32

約数和(自身を含む): 45269640

約数和(自身を除く): 26333960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 29587, 59174, 118348, 147935, 236696, 295870, 473392, 591740, 946784, 1183480, 1893568, 2366960, 3787136, 4733920, 9467840, 18935680]

約数ペア:

[(1, 18935680), (2, 9467840), (4, 4733920), (5, 3787136), (8, 2366960), (10, 1893568), (16, 1183480), (20, 946784), (32, 591740), (40, 473392), (64, 295870), (80, 236696), (128, 147935), (160, 118348), (320, 59174), (640, 29587)]