2019419420

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{512543}}^1$

素因数の和:512749

約数の個数: 24

約数和(自身を含む): 4262315904

約数和(自身を除く): 2242896484

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 512543, 1025086, 2050172, 2562715, 5125430, 10250860, 100970971, 201941942, 403883884, 504854855, 1009709710, 2019419420]

約数ペア:

[(1, 2019419420), (2, 1009709710), (4, 504854855), (5, 403883884), (10, 201941942), (20, 100970971), (197, 10250860), (394, 5125430), (788, 2562715), (985, 2050172), (1970, 1025086), (3940, 512543)]