18121930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78791}}^1$

素因数の和:78821

約数の個数: 16

約数和(自身を含む): 34038144

約数和(自身を除く): 15916214

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 78791, 157582, 393955, 787910, 1812193, 3624386, 9060965, 18121930]

約数ペア:

[(1, 18121930), (2, 9060965), (5, 3624386), (10, 1812193), (23, 787910), (46, 393955), (115, 157582), (230, 78791)]