19142739

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1201}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 36002304

約数和(自身を除く): 16859565

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1201, 1449, 1771, 2277, 3603, 5313, 8407, 10809, 13211, 15939, 25221, 27623, 39633, 75663, 82869, 92477, 118899, 193361, 248607, 277431, 303853, 580083, 832293, 911559, 1740249, 2126971, 2734677, 6380913, 19142739]

約数ペア:

[(1, 19142739), (3, 6380913), (7, 2734677), (9, 2126971), (11, 1740249), (21, 911559), (23, 832293), (33, 580083), (63, 303853), (69, 277431), (77, 248607), (99, 193361), (161, 118899), (207, 92477), (231, 82869), (253, 75663), (483, 39633), (693, 27623), (759, 25221), (1201, 15939), (1449, 13211), (1771, 10809), (2277, 8407), (3603, 5313)]