18112040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19687}}^1$

素因数の和:19721

約数の個数: 32

約数和(自身を含む): 42526080

約数和(自身を除く): 24414040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19687, 39374, 78748, 98435, 157496, 196870, 393740, 452801, 787480, 905602, 1811204, 2264005, 3622408, 4528010, 9056020, 18112040]

約数ペア:

[(1, 18112040), (2, 9056020), (4, 4528010), (5, 3622408), (8, 2264005), (10, 1811204), (20, 905602), (23, 787480), (40, 452801), (46, 393740), (92, 196870), (115, 157496), (184, 98435), (230, 78748), (460, 39374), (920, 19687)]