18922442

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 19784758

約数列:

[1, 2, 7, 11, 14, 19, 22, 29, 38, 58, 77, 133, 154, 203, 209, 223, 266, 319, 406, 418, 446, 551, 638, 1102, 1463, 1561, 2233, 2453, 2926, 3122, 3857, 4237, 4466, 4906, 6061, 6467, 7714, 8474, 12122, 12934, 17171, 29659, 34342, 42427, 45269, 46607, 59318, 71137, 84854, 90538, 93214, 122873, 142274, 245746, 326249, 497959, 652498, 860111, 995918, 1351603, 1720222, 2703206, 9461221, 18922442]

約数ペア:

[(1, 18922442), (2, 9461221), (7, 2703206), (11, 1720222), (14, 1351603), (19, 995918), (22, 860111), (29, 652498), (38, 497959), (58, 326249), (77, 245746), (133, 142274), (154, 122873), (203, 93214), (209, 90538), (223, 84854), (266, 71137), (319, 59318), (406, 46607), (418, 45269), (446, 42427), (551, 34342), (638, 29659), (1102, 17171), (1463, 12934), (1561, 12122), (2233, 8474), (2453, 7714), (2926, 6467), (3122, 6061), (3857, 4906), (4237, 4466)]