19992204

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{10889}}^1$

素因数の和:10919

約数の個数: 48

約数和(自身を含む): 54885600

約数和(自身を除く): 34893396

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 10889, 21778, 32667, 43556, 65334, 98001, 130668, 185113, 196002, 294003, 370226, 392004, 555339, 588006, 740452, 1110678, 1176012, 1666017, 2221356, 3332034, 4998051, 6664068, 9996102, 19992204]

約数ペア:

[(1, 19992204), (2, 9996102), (3, 6664068), (4, 4998051), (6, 3332034), (9, 2221356), (12, 1666017), (17, 1176012), (18, 1110678), (27, 740452), (34, 588006), (36, 555339), (51, 392004), (54, 370226), (68, 294003), (102, 196002), (108, 185113), (153, 130668), (204, 98001), (306, 65334), (459, 43556), (612, 32667), (918, 21778), (1836, 10889)]