18710307

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:86

約数の個数: 96

約数和(自身を含む): 37440000

約数和(自身を除く): 18729693

約数列:

[1, 3, 7, 9, 11, 19, 21, 29, 33, 49, 57, 63, 77, 87, 99, 133, 147, 171, 203, 209, 231, 261, 319, 343, 399, 441, 539, 551, 609, 627, 693, 931, 957, 1029, 1197, 1421, 1463, 1617, 1653, 1827, 1881, 2233, 2793, 2871, 3087, 3773, 3857, 4263, 4389, 4851, 4959, 6061, 6517, 6699, 8379, 9947, 10241, 11319, 11571, 12789, 13167, 15631, 18183, 19551, 20097, 26999, 29841, 30723, 33957, 34713, 42427, 46893, 54549, 58653, 71687, 80997, 89523, 92169, 109417, 127281, 140679, 188993, 215061, 242991, 296989, 328251, 381843, 566979, 645183, 890967, 984753, 1700937, 2078923, 2672901, 6236769, 18710307]

約数ペア:

[(1, 18710307), (3, 6236769), (7, 2672901), (9, 2078923), (11, 1700937), (19, 984753), (21, 890967), (29, 645183), (33, 566979), (49, 381843), (57, 328251), (63, 296989), (77, 242991), (87, 215061), (99, 188993), (133, 140679), (147, 127281), (171, 109417), (203, 92169), (209, 89523), (231, 80997), (261, 71687), (319, 58653), (343, 54549), (399, 46893), (441, 42427), (539, 34713), (551, 33957), (609, 30723), (627, 29841), (693, 26999), (931, 20097), (957, 19551), (1029, 18183), (1197, 15631), (1421, 13167), (1463, 12789), (1617, 11571), (1653, 11319), (1827, 10241), (1881, 9947), (2233, 8379), (2793, 6699), (2871, 6517), (3087, 6061), (3773, 4959), (3857, 4851), (4263, 4389)]