18940368

素因数分解:

$2^4\times 3^1\times {\mathrm{197}}^1\times {\mathrm{2003}}^1$

素因数の和:2211

約数の個数: 40

約数和(自身を含む): 49202208

約数和(自身を除く): 30261840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 197, 394, 591, 788, 1182, 1576, 2003, 2364, 3152, 4006, 4728, 6009, 8012, 9456, 12018, 16024, 24036, 32048, 48072, 96144, 394591, 789182, 1183773, 1578364, 2367546, 3156728, 4735092, 6313456, 9470184, 18940368]

約数ペア:

[(1, 18940368), (2, 9470184), (3, 6313456), (4, 4735092), (6, 3156728), (8, 2367546), (12, 1578364), (16, 1183773), (24, 789182), (48, 394591), (197, 96144), (394, 48072), (591, 32048), (788, 24036), (1182, 16024), (1576, 12018), (2003, 9456), (2364, 8012), (3152, 6009), (4006, 4728)]