18032463

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{11717}}^1$

素因数の和:11748

約数の個数: 20

約数和(自身を含む): 28357560

約数和(自身を除く): 10325097

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 11717, 35151, 105453, 222623, 316359, 667869, 949077, 2003607, 6010821, 18032463]

約数ペア:

[(1, 18032463), (3, 6010821), (9, 2003607), (19, 949077), (27, 667869), (57, 316359), (81, 222623), (171, 105453), (513, 35151), (1539, 11717)]