18281205

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1039}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 35043840

約数和(自身を除く): 16762635

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1039, 1173, 1955, 3117, 3519, 5195, 5865, 9351, 15585, 17595, 17663, 23897, 46755, 52989, 71691, 88315, 119485, 158967, 215073, 264945, 358455, 406249, 794835, 1075365, 1218747, 2031245, 3656241, 6093735, 18281205]

約数ペア:

[(1, 18281205), (3, 6093735), (5, 3656241), (9, 2031245), (15, 1218747), (17, 1075365), (23, 794835), (45, 406249), (51, 358455), (69, 264945), (85, 215073), (115, 158967), (153, 119485), (207, 88315), (255, 71691), (345, 52989), (391, 46755), (765, 23897), (1035, 17663), (1039, 17595), (1173, 15585), (1955, 9351), (3117, 5865), (3519, 5195)]