18974840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10093}}^1$

素因数の和:10151

約数の個数: 32

約数和(自身を含む): 43606080

約数和(自身を除く): 24631240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10093, 20186, 40372, 50465, 80744, 100930, 201860, 403720, 474371, 948742, 1897484, 2371855, 3794968, 4743710, 9487420, 18974840]

約数ペア:

[(1, 18974840), (2, 9487420), (4, 4743710), (5, 3794968), (8, 2371855), (10, 1897484), (20, 948742), (40, 474371), (47, 403720), (94, 201860), (188, 100930), (235, 80744), (376, 50465), (470, 40372), (940, 20186), (1880, 10093)]