2018481800

素因数分解:

$2^3\times 5^2\times {\mathrm{1901}}^1\times {\mathrm{5309}}^1$

素因数の和:7226

約数の個数: 48

約数和(自身を含む): 4696323300

約数和(自身を除く): 2677841500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1901, 3802, 5309, 7604, 9505, 10618, 15208, 19010, 21236, 26545, 38020, 42472, 47525, 53090, 76040, 95050, 106180, 132725, 190100, 212360, 265450, 380200, 530900, 1061800, 10092409, 20184818, 40369636, 50462045, 80739272, 100924090, 201848180, 252310225, 403696360, 504620450, 1009240900, 2018481800]

約数ペア:

[(1, 2018481800), (2, 1009240900), (4, 504620450), (5, 403696360), (8, 252310225), (10, 201848180), (20, 100924090), (25, 80739272), (40, 50462045), (50, 40369636), (100, 20184818), (200, 10092409), (1901, 1061800), (3802, 530900), (5309, 380200), (7604, 265450), (9505, 212360), (10618, 190100), (15208, 132725), (19010, 106180), (21236, 95050), (26545, 76040), (38020, 53090), (42472, 47525)]