18105395

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 29417472

約数和(自身を除く): 11312077

約数列:

[1, 5, 7, 11, 31, 35, 37, 41, 55, 77, 155, 185, 205, 217, 259, 287, 341, 385, 407, 451, 1085, 1147, 1271, 1295, 1435, 1517, 1705, 2035, 2255, 2387, 2849, 3157, 5735, 6355, 7585, 8029, 8897, 10619, 11935, 12617, 13981, 14245, 15785, 16687, 40145, 44485, 47027, 53095, 63085, 69905, 83435, 88319, 97867, 116809, 235135, 329189, 441595, 489335, 517297, 584045, 1645945, 2586485, 3621079, 18105395]

約数ペア:

[(1, 18105395), (5, 3621079), (7, 2586485), (11, 1645945), (31, 584045), (35, 517297), (37, 489335), (41, 441595), (55, 329189), (77, 235135), (155, 116809), (185, 97867), (205, 88319), (217, 83435), (259, 69905), (287, 63085), (341, 53095), (385, 47027), (407, 44485), (451, 40145), (1085, 16687), (1147, 15785), (1271, 14245), (1295, 13981), (1435, 12617), (1517, 11935), (1705, 10619), (2035, 8897), (2255, 8029), (2387, 7585), (2849, 6355), (3157, 5735)]