18935900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{8233}}^1$

素因数の和:8270

約数の個数: 36

約数和(自身を含む): 42882672

約数和(自身を除く): 23946772

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 8233, 16466, 32932, 41165, 82330, 164660, 189359, 205825, 378718, 411650, 757436, 823300, 946795, 1893590, 3787180, 4733975, 9467950, 18935900]

約数ペア:

[(1, 18935900), (2, 9467950), (4, 4733975), (5, 3787180), (10, 1893590), (20, 946795), (23, 823300), (25, 757436), (46, 411650), (50, 378718), (92, 205825), (100, 189359), (115, 164660), (230, 82330), (460, 41165), (575, 32932), (1150, 16466), (2300, 8233)]