18123080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19699}}^1$

素因数の和:19733

約数の個数: 32

約数和(自身を含む): 42552000

約数和(自身を除く): 24428920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19699, 39398, 78796, 98495, 157592, 196990, 393980, 453077, 787960, 906154, 1812308, 2265385, 3624616, 4530770, 9061540, 18123080]

約数ペア:

[(1, 18123080), (2, 9061540), (4, 4530770), (5, 3624616), (8, 2265385), (10, 1812308), (20, 906154), (23, 787960), (40, 453077), (46, 393980), (92, 196990), (115, 157592), (184, 98495), (230, 78796), (460, 39398), (920, 19699)]