15000018

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 35925120

約数和(自身を除く): 20925102

約数列:

[1, 2, 3, 6, 11, 17, 22, 29, 33, 34, 51, 58, 66, 87, 102, 174, 187, 319, 374, 461, 493, 561, 638, 922, 957, 986, 1122, 1383, 1479, 1914, 2766, 2958, 5071, 5423, 7837, 10142, 10846, 13369, 15213, 15674, 16269, 23511, 26738, 30426, 32538, 40107, 47022, 80214, 86207, 147059, 172414, 227273, 258621, 294118, 441177, 454546, 517242, 681819, 882354, 1363638, 2500003, 5000006, 7500009, 15000018]

約数ペア:

[(1, 15000018), (2, 7500009), (3, 5000006), (6, 2500003), (11, 1363638), (17, 882354), (22, 681819), (29, 517242), (33, 454546), (34, 441177), (51, 294118), (58, 258621), (66, 227273), (87, 172414), (102, 147059), (174, 86207), (187, 80214), (319, 47022), (374, 40107), (461, 32538), (493, 30426), (561, 26738), (638, 23511), (922, 16269), (957, 15674), (986, 15213), (1122, 13369), (1383, 10846), (1479, 10142), (1914, 7837), (2766, 5423), (2958, 5071)]