19959984

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{12601}}^1$

素因数の和:12626

約数の個数: 60

約数和(自身を含む): 60943272

約数和(自身を除く): 40983288

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 12601, 25202, 37803, 50404, 75606, 100808, 113409, 138611, 151212, 201616, 226818, 277222, 302424, 415833, 453636, 554444, 604848, 831666, 907272, 1108888, 1247499, 1663332, 1814544, 2217776, 2494998, 3326664, 4989996, 6653328, 9979992, 19959984]

約数ペア:

[(1, 19959984), (2, 9979992), (3, 6653328), (4, 4989996), (6, 3326664), (8, 2494998), (9, 2217776), (11, 1814544), (12, 1663332), (16, 1247499), (18, 1108888), (22, 907272), (24, 831666), (33, 604848), (36, 554444), (44, 453636), (48, 415833), (66, 302424), (72, 277222), (88, 226818), (99, 201616), (132, 151212), (144, 138611), (176, 113409), (198, 100808), (264, 75606), (396, 50404), (528, 37803), (792, 25202), (1584, 12601)]