18617787

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1697}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 28607904

約数和(自身を除く): 9990117

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 1697, 3657, 5091, 10971, 15273, 39031, 89941, 117093, 269823, 351279, 809469, 2068643, 6205929, 18617787]

約数ペア:

[(1, 18617787), (3, 6205929), (9, 2068643), (23, 809469), (53, 351279), (69, 269823), (159, 117093), (207, 89941), (477, 39031), (1219, 15273), (1697, 10971), (3657, 5091)]