18443240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20047}}^1$

素因数の和:20081

約数の個数: 32

約数和(自身を含む): 43303680

約数和(自身を除く): 24860440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20047, 40094, 80188, 100235, 160376, 200470, 400940, 461081, 801880, 922162, 1844324, 2305405, 3688648, 4610810, 9221620, 18443240]

約数ペア:

[(1, 18443240), (2, 9221620), (4, 4610810), (5, 3688648), (8, 2305405), (10, 1844324), (20, 922162), (23, 801880), (40, 461081), (46, 400940), (92, 200470), (115, 160376), (184, 100235), (230, 80188), (460, 40094), (920, 20047)]