18767080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20399}}^1$

素因数の和:20433

約数の個数: 32

約数和(自身を含む): 44064000

約数和(自身を除く): 25296920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20399, 40798, 81596, 101995, 163192, 203990, 407980, 469177, 815960, 938354, 1876708, 2345885, 3753416, 4691770, 9383540, 18767080]

約数ペア:

[(1, 18767080), (2, 9383540), (4, 4691770), (5, 3753416), (8, 2345885), (10, 1876708), (20, 938354), (23, 815960), (40, 469177), (46, 407980), (92, 203990), (115, 163192), (184, 101995), (230, 81596), (460, 40798), (920, 20399)]