18525507

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 34406400

約数和(自身を除く): 15880893

約数列:

[1, 3, 7, 11, 13, 21, 31, 33, 39, 77, 91, 93, 143, 199, 217, 231, 273, 341, 403, 429, 597, 651, 1001, 1023, 1209, 1393, 2189, 2387, 2587, 2821, 3003, 4179, 4433, 6169, 6567, 7161, 7761, 8463, 13299, 15323, 18109, 18507, 28457, 31031, 43183, 45969, 54327, 67859, 80197, 85371, 93093, 129549, 199199, 203577, 240591, 475013, 561379, 597597, 882167, 1425039, 1684137, 2646501, 6175169, 18525507]

約数ペア:

[(1, 18525507), (3, 6175169), (7, 2646501), (11, 1684137), (13, 1425039), (21, 882167), (31, 597597), (33, 561379), (39, 475013), (77, 240591), (91, 203577), (93, 199199), (143, 129549), (199, 93093), (217, 85371), (231, 80197), (273, 67859), (341, 54327), (403, 45969), (429, 43183), (597, 31031), (651, 28457), (1001, 18507), (1023, 18109), (1209, 15323), (1393, 13299), (2189, 8463), (2387, 7761), (2587, 7161), (2821, 6567), (3003, 6169), (4179, 4433)]