18116329

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 25444800

約数和(自身を除く): 7328471

約数列:

[1, 7, 11, 19, 29, 49, 61, 77, 133, 203, 209, 319, 427, 539, 551, 671, 931, 1159, 1421, 1463, 1769, 2233, 2989, 3857, 4697, 6061, 8113, 10241, 12383, 12749, 15631, 19459, 26999, 32879, 33611, 42427, 56791, 86681, 89243, 136213, 235277, 296989, 369721, 624701, 953491, 1646939, 2588047, 18116329]

約数ペア:

[(1, 18116329), (7, 2588047), (11, 1646939), (19, 953491), (29, 624701), (49, 369721), (61, 296989), (77, 235277), (133, 136213), (203, 89243), (209, 86681), (319, 56791), (427, 42427), (539, 33611), (551, 32879), (671, 26999), (931, 19459), (1159, 15631), (1421, 12749), (1463, 12383), (1769, 10241), (2233, 8113), (2989, 6061), (3857, 4697)]