16219420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{115853}}^1$

素因数の和:115869

約数の個数: 24

約数和(自身を含む): 38926944

約数和(自身を除く): 22707524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 115853, 231706, 463412, 579265, 810971, 1158530, 1621942, 2317060, 3243884, 4054855, 8109710, 16219420]

約数ペア:

[(1, 16219420), (2, 8109710), (4, 4054855), (5, 3243884), (7, 2317060), (10, 1621942), (14, 1158530), (20, 810971), (28, 579265), (35, 463412), (70, 231706), (140, 115853)]