19916446

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 17408354

約数列:

[1, 2, 11, 19, 22, 29, 31, 38, 53, 58, 62, 106, 209, 319, 341, 418, 551, 583, 589, 638, 682, 899, 1007, 1102, 1166, 1178, 1537, 1643, 1798, 2014, 3074, 3286, 6061, 6479, 9889, 11077, 12122, 12958, 16907, 17081, 18073, 19778, 22154, 29203, 31217, 33814, 34162, 36146, 47647, 58406, 62434, 95294, 187891, 321233, 343387, 375782, 524117, 642466, 686774, 905293, 1048234, 1810586, 9958223, 19916446]

約数ペア:

[(1, 19916446), (2, 9958223), (11, 1810586), (19, 1048234), (22, 905293), (29, 686774), (31, 642466), (38, 524117), (53, 375782), (58, 343387), (62, 321233), (106, 187891), (209, 95294), (319, 62434), (341, 58406), (418, 47647), (551, 36146), (583, 34162), (589, 33814), (638, 31217), (682, 29203), (899, 22154), (1007, 19778), (1102, 18073), (1166, 17081), (1178, 16907), (1537, 12958), (1643, 12122), (1798, 11077), (2014, 9889), (3074, 6479), (3286, 6061)]