19516779

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 29130192

約数和(自身を除く): 9613413

約数列:

[1, 3, 9, 41, 123, 227, 233, 369, 681, 699, 2043, 2097, 9307, 9553, 27921, 28659, 52891, 83763, 85977, 158673, 476019, 2168531, 6505593, 19516779]

約数ペア:

[(1, 19516779), (3, 6505593), (9, 2168531), (41, 476019), (123, 158673), (227, 85977), (233, 83763), (369, 52891), (681, 28659), (699, 27921), (2043, 9553), (2097, 9307)]