19855422

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 28044738

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 43, 51, 54, 86, 102, 129, 153, 258, 306, 387, 459, 503, 731, 774, 918, 1006, 1161, 1462, 1509, 2193, 2322, 3018, 4386, 4527, 6579, 8551, 9054, 13158, 13581, 17102, 19737, 21629, 25653, 27162, 39474, 43258, 51306, 64887, 76959, 129774, 153918, 194661, 230877, 367693, 389322, 461754, 583983, 735386, 1103079, 1167966, 2206158, 3309237, 6618474, 9927711, 19855422]

約数ペア:

[(1, 19855422), (2, 9927711), (3, 6618474), (6, 3309237), (9, 2206158), (17, 1167966), (18, 1103079), (27, 735386), (34, 583983), (43, 461754), (51, 389322), (54, 367693), (86, 230877), (102, 194661), (129, 153918), (153, 129774), (258, 76959), (306, 64887), (387, 51306), (459, 43258), (503, 39474), (731, 27162), (774, 25653), (918, 21629), (1006, 19737), (1161, 17102), (1462, 13581), (1509, 13158), (2193, 9054), (2322, 8551), (3018, 6579), (4386, 4527)]