18517120

素因数分解:

$2^7\times 5^1\times {\mathrm{28933}}^1$

素因数の和:28952

約数の個数: 32

約数和(自身を含む): 44269020

約数和(自身を除く): 25751900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28933, 57866, 115732, 144665, 231464, 289330, 462928, 578660, 925856, 1157320, 1851712, 2314640, 3703424, 4629280, 9258560, 18517120]

約数ペア:

[(1, 18517120), (2, 9258560), (4, 4629280), (5, 3703424), (8, 2314640), (10, 1851712), (16, 1157320), (20, 925856), (32, 578660), (40, 462928), (64, 289330), (80, 231464), (128, 144665), (160, 115732), (320, 57866), (640, 28933)]