18913305579

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{827}}^1$

素因数の和:977

約数の個数: 96

約数和(自身を含む): 32292794880

約数和(自身を除く): 13379489301

約数列:

[1, 3, 7, 17, 21, 29, 47, 51, 87, 119, 141, 203, 329, 357, 493, 609, 799, 827, 987, 1363, 1479, 2209, 2397, 2481, 3451, 4089, 5593, 5789, 6627, 9541, 10353, 14059, 15463, 16779, 17367, 23171, 23983, 28623, 37553, 38869, 42177, 46389, 64061, 69513, 71949, 98413, 112659, 116607, 162197, 167881, 192183, 262871, 272083, 295239, 407711, 448427, 486591, 503643, 660773, 788613, 816249, 1089037, 1127201, 1223133, 1345281, 1826843, 1982319, 2853977, 3267111, 3381603, 4625411, 5480529, 7623259, 7890407, 8561931, 12787901, 13876233, 19162417, 22869777, 23671221, 31056331, 38363703, 52978447, 57487251, 93168993, 134136919, 158935341, 217394317, 370849129, 402410757, 652182951, 900633599, 1112547387, 2701900797, 6304435193, 18913305579]

約数ペア:

[(1, 18913305579), (3, 6304435193), (7, 2701900797), (17, 1112547387), (21, 900633599), (29, 652182951), (47, 402410757), (51, 370849129), (87, 217394317), (119, 158935341), (141, 134136919), (203, 93168993), (329, 57487251), (357, 52978447), (493, 38363703), (609, 31056331), (799, 23671221), (827, 22869777), (987, 19162417), (1363, 13876233), (1479, 12787901), (2209, 8561931), (2397, 7890407), (2481, 7623259), (3451, 5480529), (4089, 4625411), (5593, 3381603), (5789, 3267111), (6627, 2853977), (9541, 1982319), (10353, 1826843), (14059, 1345281), (15463, 1223133), (16779, 1127201), (17367, 1089037), (23171, 816249), (23983, 788613), (28623, 660773), (37553, 503643), (38869, 486591), (42177, 448427), (46389, 407711), (64061, 295239), (69513, 272083), (71949, 262871), (98413, 192183), (112659, 167881), (116607, 162197)]