18105140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39359}}^1$

素因数の和:39391

約数の個数: 24

約数和(自身を含む): 39674880

約数和(自身を除く): 21569740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 39359, 78718, 157436, 196795, 393590, 787180, 905257, 1810514, 3621028, 4526285, 9052570, 18105140]

約数ペア:

[(1, 18105140), (2, 9052570), (4, 4526285), (5, 3621028), (10, 1810514), (20, 905257), (23, 787180), (46, 393590), (92, 196795), (115, 157436), (230, 78718), (460, 39359)]