19803369

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{691}}^1$

素因数の和:968

約数の個数: 16

約数和(自身を含む): 27203904

約数和(自身を除く): 7400535

約数列:

[1, 3, 41, 123, 233, 691, 699, 2073, 9553, 28331, 28659, 84993, 161003, 483009, 6601123, 19803369]

約数ペア:

[(1, 19803369), (3, 6601123), (41, 483009), (123, 161003), (233, 84993), (691, 28659), (699, 28331), (2073, 9553)]