18078786

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 46702656

約数和(自身を除く): 28623870

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 41, 51, 66, 82, 99, 102, 123, 131, 153, 187, 198, 246, 262, 306, 369, 374, 393, 451, 561, 697, 738, 786, 902, 1122, 1179, 1353, 1394, 1441, 1683, 2091, 2227, 2358, 2706, 2882, 3366, 4059, 4182, 4323, 4454, 5371, 6273, 6681, 7667, 8118, 8646, 10742, 12546, 12969, 13362, 15334, 16113, 20043, 23001, 24497, 25938, 32226, 40086, 46002, 48339, 48994, 59081, 69003, 73491, 91307, 96678, 118162, 138006, 146982, 177243, 182614, 220473, 273921, 354486, 440946, 531729, 547842, 821763, 1004377, 1063458, 1643526, 2008754, 3013131, 6026262, 9039393, 18078786]

約数ペア:

[(1, 18078786), (2, 9039393), (3, 6026262), (6, 3013131), (9, 2008754), (11, 1643526), (17, 1063458), (18, 1004377), (22, 821763), (33, 547842), (34, 531729), (41, 440946), (51, 354486), (66, 273921), (82, 220473), (99, 182614), (102, 177243), (123, 146982), (131, 138006), (153, 118162), (187, 96678), (198, 91307), (246, 73491), (262, 69003), (306, 59081), (369, 48994), (374, 48339), (393, 46002), (451, 40086), (561, 32226), (697, 25938), (738, 24497), (786, 23001), (902, 20043), (1122, 16113), (1179, 15334), (1353, 13362), (1394, 12969), (1441, 12546), (1683, 10742), (2091, 8646), (2227, 8118), (2358, 7667), (2706, 6681), (2882, 6273), (3366, 5371), (4059, 4454), (4182, 4323)]