18737172

素因数分解:

$2^2\times 3^2\times {\mathrm{263}}^1\times {\mathrm{1979}}^1$

素因数の和:2252

約数の個数: 36

約数和(自身を含む): 47567520

約数和(自身を除く): 28830348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 263, 526, 789, 1052, 1578, 1979, 2367, 3156, 3958, 4734, 5937, 7916, 9468, 11874, 17811, 23748, 35622, 71244, 520477, 1040954, 1561431, 2081908, 3122862, 4684293, 6245724, 9368586, 18737172]

約数ペア:

[(1, 18737172), (2, 9368586), (3, 6245724), (4, 4684293), (6, 3122862), (9, 2081908), (12, 1561431), (18, 1040954), (36, 520477), (263, 71244), (526, 35622), (789, 23748), (1052, 17811), (1578, 11874), (1979, 9468), (2367, 7916), (3156, 5937), (3958, 4734)]