19866714

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 47416320

約数和(自身を除く): 27549606

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 83, 123, 139, 166, 246, 249, 278, 287, 417, 498, 574, 581, 834, 861, 973, 1162, 1722, 1743, 1946, 2919, 3403, 3486, 5699, 5838, 6806, 10209, 11398, 11537, 17097, 20418, 23074, 23821, 34194, 34611, 39893, 47642, 69222, 71463, 79786, 80759, 119679, 142926, 161518, 239358, 242277, 473017, 484554, 946034, 1419051, 2838102, 3311119, 6622238, 9933357, 19866714]

約数ペア:

[(1, 19866714), (2, 9933357), (3, 6622238), (6, 3311119), (7, 2838102), (14, 1419051), (21, 946034), (41, 484554), (42, 473017), (82, 242277), (83, 239358), (123, 161518), (139, 142926), (166, 119679), (246, 80759), (249, 79786), (278, 71463), (287, 69222), (417, 47642), (498, 39893), (574, 34611), (581, 34194), (834, 23821), (861, 23074), (973, 20418), (1162, 17097), (1722, 11537), (1743, 11398), (1946, 10209), (2919, 6806), (3403, 5838), (3486, 5699)]