18638172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73961}}^1$

素因数の和:73978

約数の個数: 36

約数和(自身を含む): 53844336

約数和(自身を除く): 35206164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 73961, 147922, 221883, 295844, 443766, 517727, 665649, 887532, 1035454, 1331298, 1553181, 2070908, 2662596, 3106362, 4659543, 6212724, 9319086, 18638172]

約数ペア:

[(1, 18638172), (2, 9319086), (3, 6212724), (4, 4659543), (6, 3106362), (7, 2662596), (9, 2070908), (12, 1553181), (14, 1331298), (18, 1035454), (21, 887532), (28, 665649), (36, 517727), (42, 443766), (63, 295844), (84, 221883), (126, 147922), (252, 73961)]