18293715

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 36126720

約数和(自身を除く): 17833005

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 97, 99, 127, 135, 165, 291, 297, 381, 485, 495, 635, 873, 1067, 1143, 1397, 1455, 1485, 1905, 2619, 3201, 3429, 4191, 4365, 5335, 5715, 6985, 9603, 12319, 12573, 13095, 16005, 17145, 20955, 28809, 36957, 37719, 48015, 61595, 62865, 110871, 135509, 144045, 184785, 188595, 332613, 406527, 554355, 677545, 1219581, 1663065, 2032635, 3658743, 6097905, 18293715]

約数ペア:

[(1, 18293715), (3, 6097905), (5, 3658743), (9, 2032635), (11, 1663065), (15, 1219581), (27, 677545), (33, 554355), (45, 406527), (55, 332613), (97, 188595), (99, 184785), (127, 144045), (135, 135509), (165, 110871), (291, 62865), (297, 61595), (381, 48015), (485, 37719), (495, 36957), (635, 28809), (873, 20955), (1067, 17145), (1143, 16005), (1397, 13095), (1455, 12573), (1485, 12319), (1905, 9603), (2619, 6985), (3201, 5715), (3429, 5335), (4191, 4365)]