18145470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1305

約数の個数: 64

約数和(自身を含む): 50512896

約数和(自身を除く): 32367426

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 710, 994, 1065, 1217, 1491, 2130, 2434, 2485, 2982, 3651, 4970, 6085, 7302, 7455, 8519, 12170, 14910, 17038, 18255, 25557, 36510, 42595, 51114, 85190, 86407, 127785, 172814, 255570, 259221, 432035, 518442, 604849, 864070, 1209698, 1296105, 1814547, 2592210, 3024245, 3629094, 6048490, 9072735, 18145470]

約数ペア:

[(1, 18145470), (2, 9072735), (3, 6048490), (5, 3629094), (6, 3024245), (7, 2592210), (10, 1814547), (14, 1296105), (15, 1209698), (21, 864070), (30, 604849), (35, 518442), (42, 432035), (70, 259221), (71, 255570), (105, 172814), (142, 127785), (210, 86407), (213, 85190), (355, 51114), (426, 42595), (497, 36510), (710, 25557), (994, 18255), (1065, 17038), (1217, 14910), (1491, 12170), (2130, 8519), (2434, 7455), (2485, 7302), (2982, 6085), (3651, 4970)]