17801190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17981}}^1$

素因数の和:18005

約数の個数: 48

約数和(自身を含む): 50493456

約数和(自身を除く): 32692266

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 17981, 35962, 53943, 89905, 107886, 161829, 179810, 197791, 269715, 323658, 395582, 539430, 593373, 809145, 988955, 1186746, 1618290, 1780119, 1977910, 2966865, 3560238, 5933730, 8900595, 17801190]

約数ペア:

[(1, 17801190), (2, 8900595), (3, 5933730), (5, 3560238), (6, 2966865), (9, 1977910), (10, 1780119), (11, 1618290), (15, 1186746), (18, 988955), (22, 809145), (30, 593373), (33, 539430), (45, 395582), (55, 323658), (66, 269715), (90, 197791), (99, 179810), (110, 161829), (165, 107886), (198, 89905), (330, 53943), (495, 35962), (990, 17981)]