18784458

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13553}}^1$

素因数の和:13579

約数の個数: 48

約数和(自身を含む): 50746176

約数和(自身を除く): 31961718

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 13553, 27106, 40659, 81318, 94871, 121977, 149083, 189742, 243954, 284613, 298166, 447249, 569226, 853839, 894498, 1043581, 1341747, 1707678, 2087162, 2683494, 3130743, 6261486, 9392229, 18784458]

約数ペア:

[(1, 18784458), (2, 9392229), (3, 6261486), (6, 3130743), (7, 2683494), (9, 2087162), (11, 1707678), (14, 1341747), (18, 1043581), (21, 894498), (22, 853839), (33, 569226), (42, 447249), (63, 298166), (66, 284613), (77, 243954), (99, 189742), (126, 149083), (154, 121977), (198, 94871), (231, 81318), (462, 40659), (693, 27106), (1386, 13553)]