18021339

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{983}}^1$

素因数の和:1096

約数の個数: 32

約数和(自身を含む): 30858240

約数和(自身を除く): 12836901

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 291, 679, 873, 983, 2037, 2619, 2949, 6111, 6881, 8847, 18333, 20643, 26541, 61929, 95351, 185787, 286053, 667457, 858159, 2002371, 2574477, 6007113, 18021339]

約数ペア:

[(1, 18021339), (3, 6007113), (7, 2574477), (9, 2002371), (21, 858159), (27, 667457), (63, 286053), (97, 185787), (189, 95351), (291, 61929), (679, 26541), (873, 20643), (983, 18333), (2037, 8847), (2619, 6881), (2949, 6111)]