18673240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20297}}^1$

素因数の和:20331

約数の個数: 32

約数和(自身を含む): 43843680

約数和(自身を除く): 25170440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20297, 40594, 81188, 101485, 162376, 202970, 405940, 466831, 811880, 933662, 1867324, 2334155, 3734648, 4668310, 9336620, 18673240]

約数ペア:

[(1, 18673240), (2, 9336620), (4, 4668310), (5, 3734648), (8, 2334155), (10, 1867324), (20, 933662), (23, 811880), (40, 466831), (46, 405940), (92, 202970), (115, 162376), (184, 101485), (230, 81188), (460, 40594), (920, 20297)]