18989244

素因数分解:

$2^2\times 3^2\times {\mathrm{557}}^1\times {\mathrm{947}}^1$

素因数の和:1514

約数の個数: 36

約数和(自身を含む): 48137544

約数和(自身を除く): 29148300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 557, 947, 1114, 1671, 1894, 2228, 2841, 3342, 3788, 5013, 5682, 6684, 8523, 10026, 11364, 17046, 20052, 34092, 527479, 1054958, 1582437, 2109916, 3164874, 4747311, 6329748, 9494622, 18989244]

約数ペア:

[(1, 18989244), (2, 9494622), (3, 6329748), (4, 4747311), (6, 3164874), (9, 2109916), (12, 1582437), (18, 1054958), (36, 527479), (557, 34092), (947, 20052), (1114, 17046), (1671, 11364), (1894, 10026), (2228, 8523), (2841, 6684), (3342, 5682), (3788, 5013)]