18386560

素因数分解:

$2^7\times 5^1\times {\mathrm{28729}}^1$

素因数の和:28748

約数の個数: 32

約数和(自身を含む): 43956900

約数和(自身を除く): 25570340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28729, 57458, 114916, 143645, 229832, 287290, 459664, 574580, 919328, 1149160, 1838656, 2298320, 3677312, 4596640, 9193280, 18386560]

約数ペア:

[(1, 18386560), (2, 9193280), (4, 4596640), (5, 3677312), (8, 2298320), (10, 1838656), (16, 1149160), (20, 919328), (32, 574580), (40, 459664), (64, 287290), (80, 229832), (128, 143645), (160, 114916), (320, 57458), (640, 28729)]