18418448990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{80080213}}^1$

素因数の和:80080243

約数の個数: 16

約数和(自身を含む): 34594652448

約数和(自身を除く): 16176203458

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 80080213, 160160426, 400401065, 800802130, 1841844899, 3683689798, 9209224495, 18418448990]

約数ペア:

[(1, 18418448990), (2, 9209224495), (5, 3683689798), (10, 1841844899), (23, 800802130), (46, 400401065), (115, 160160426), (230, 80080213)]