19982226

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1093}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 43795008

約数和(自身を除く): 23812782

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 277, 554, 831, 1093, 1662, 2186, 3047, 3279, 6094, 6558, 9141, 12023, 18282, 24046, 36069, 72138, 302761, 605522, 908283, 1816566, 3330371, 6660742, 9991113, 19982226]

約数ペア:

[(1, 19982226), (2, 9991113), (3, 6660742), (6, 3330371), (11, 1816566), (22, 908283), (33, 605522), (66, 302761), (277, 72138), (554, 36069), (831, 24046), (1093, 18282), (1662, 12023), (2186, 9141), (3047, 6558), (3279, 6094)]