1868575786

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{701}}^1\times {\mathrm{911}}^1$

素因数の和:1651

約数の個数: 64

約数和(自身を含む): 3687690240

約数和(自身を除く): 1819114454

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 701, 911, 1402, 1463, 1822, 2926, 4907, 6377, 7711, 9814, 10021, 12754, 13319, 15422, 17309, 20042, 26638, 34618, 53977, 70147, 93233, 107954, 121163, 140294, 146509, 186466, 190399, 242326, 293018, 380798, 638611, 1025563, 1277222, 1332793, 2051126, 2665586, 4470277, 7024721, 8940554, 12133609, 14049442, 24267218, 49173047, 84935263, 98346094, 133469699, 169870526, 266939398, 934287893, 1868575786]

約数ペア:

[(1, 1868575786), (2, 934287893), (7, 266939398), (11, 169870526), (14, 133469699), (19, 98346094), (22, 84935263), (38, 49173047), (77, 24267218), (133, 14049442), (154, 12133609), (209, 8940554), (266, 7024721), (418, 4470277), (701, 2665586), (911, 2051126), (1402, 1332793), (1463, 1277222), (1822, 1025563), (2926, 638611), (4907, 380798), (6377, 293018), (7711, 242326), (9814, 190399), (10021, 186466), (12754, 146509), (13319, 140294), (15422, 121163), (17309, 107954), (20042, 93233), (26638, 70147), (34618, 53977)]