18139842

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1297}}^1$

素因数の和:1352

約数の個数: 64

約数和(自身を含む): 47351040

約数和(自身を除く): 29211198

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 111, 126, 189, 222, 259, 333, 378, 518, 666, 777, 999, 1297, 1554, 1998, 2331, 2594, 3891, 4662, 6993, 7782, 9079, 11673, 13986, 18158, 23346, 27237, 35019, 47989, 54474, 70038, 81711, 95978, 143967, 163422, 245133, 287934, 335923, 431901, 490266, 671846, 863802, 1007769, 1295703, 2015538, 2591406, 3023307, 6046614, 9069921, 18139842]

約数ペア:

[(1, 18139842), (2, 9069921), (3, 6046614), (6, 3023307), (7, 2591406), (9, 2015538), (14, 1295703), (18, 1007769), (21, 863802), (27, 671846), (37, 490266), (42, 431901), (54, 335923), (63, 287934), (74, 245133), (111, 163422), (126, 143967), (189, 95978), (222, 81711), (259, 70038), (333, 54474), (378, 47989), (518, 35019), (666, 27237), (777, 23346), (999, 18158), (1297, 13986), (1554, 11673), (1998, 9079), (2331, 7782), (2594, 6993), (3891, 4662)]