18889788

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 31429572

約数列:

[1, 2, 3, 4, 6, 12, 17, 29, 31, 34, 51, 58, 62, 68, 87, 93, 102, 103, 116, 124, 174, 186, 204, 206, 309, 348, 372, 412, 493, 527, 618, 899, 986, 1054, 1236, 1479, 1581, 1751, 1798, 1972, 2108, 2697, 2958, 2987, 3162, 3193, 3502, 3596, 5253, 5394, 5916, 5974, 6324, 6386, 7004, 8961, 9579, 10506, 10788, 11948, 12772, 15283, 17922, 19158, 21012, 30566, 35844, 38316, 45849, 50779, 54281, 61132, 91698, 92597, 101558, 108562, 152337, 162843, 183396, 185194, 203116, 217124, 277791, 304674, 325686, 370388, 555582, 609348, 651372, 1111164, 1574149, 3148298, 4722447, 6296596, 9444894, 18889788]

約数ペア:

[(1, 18889788), (2, 9444894), (3, 6296596), (4, 4722447), (6, 3148298), (12, 1574149), (17, 1111164), (29, 651372), (31, 609348), (34, 555582), (51, 370388), (58, 325686), (62, 304674), (68, 277791), (87, 217124), (93, 203116), (102, 185194), (103, 183396), (116, 162843), (124, 152337), (174, 108562), (186, 101558), (204, 92597), (206, 91698), (309, 61132), (348, 54281), (372, 50779), (412, 45849), (493, 38316), (527, 35844), (618, 30566), (899, 21012), (986, 19158), (1054, 17922), (1236, 15283), (1479, 12772), (1581, 11948), (1751, 10788), (1798, 10506), (1972, 9579), (2108, 8961), (2697, 7004), (2958, 6386), (2987, 6324), (3162, 5974), (3193, 5916), (3502, 5394), (3596, 5253)]