18364807780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{826499}}^1$

素因数の和:826620

約数の個数: 48

約数和(自身を含む): 42488712000

約数和(自身を除く): 24123904220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 11110, 22220, 826499, 1652998, 3305996, 4132495, 8264990, 9091489, 16529980, 18182978, 36365956, 45457445, 83476399, 90914890, 166952798, 181829780, 333905596, 417381995, 834763990, 918240389, 1669527980, 1836480778, 3672961556, 4591201945, 9182403890, 18364807780]

約数ペア:

[(1, 18364807780), (2, 9182403890), (4, 4591201945), (5, 3672961556), (10, 1836480778), (11, 1669527980), (20, 918240389), (22, 834763990), (44, 417381995), (55, 333905596), (101, 181829780), (110, 166952798), (202, 90914890), (220, 83476399), (404, 45457445), (505, 36365956), (1010, 18182978), (1111, 16529980), (2020, 9091489), (2222, 8264990), (4444, 4132495), (5555, 3305996), (11110, 1652998), (22220, 826499)]