18089780140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39325609}}^1$

素因数の和:39325641

約数の個数: 24

約数和(自身を含む): 39640214880

約数和(自身を除く): 21550434740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 39325609, 78651218, 157302436, 196628045, 393256090, 786512180, 904489007, 1808978014, 3617956028, 4522445035, 9044890070, 18089780140]

約数ペア:

[(1, 18089780140), (2, 9044890070), (4, 4522445035), (5, 3617956028), (10, 1808978014), (20, 904489007), (23, 786512180), (46, 393256090), (92, 196628045), (115, 157302436), (230, 78651218), (460, 39325609)]