18647480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20269}}^1$

素因数の和:20303

約数の個数: 32

約数和(自身を含む): 43783200

約数和(自身を除く): 25135720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20269, 40538, 81076, 101345, 162152, 202690, 405380, 466187, 810760, 932374, 1864748, 2330935, 3729496, 4661870, 9323740, 18647480]

約数ペア:

[(1, 18647480), (2, 9323740), (4, 4661870), (5, 3729496), (8, 2330935), (10, 1864748), (20, 932374), (23, 810760), (40, 466187), (46, 405380), (92, 202690), (115, 162152), (184, 101345), (230, 81076), (460, 40538), (920, 20269)]