19531071

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4493}}^1$

素因数の和:4532

約数の個数: 32

約数和(自身を含む): 34513920

約数和(自身を除く): 14982849

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4493, 13479, 31451, 40437, 94353, 103339, 121311, 283059, 310017, 723373, 849177, 930051, 2170119, 2790153, 6510357, 19531071]

約数ペア:

[(1, 19531071), (3, 6510357), (7, 2790153), (9, 2170119), (21, 930051), (23, 849177), (27, 723373), (63, 310017), (69, 283059), (161, 121311), (189, 103339), (207, 94353), (483, 40437), (621, 31451), (1449, 13479), (4347, 4493)]