1815902998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11173}}^1$

素因数の和:11261

約数の個数: 64

約数和(自身を含む): 3604285440

約数和(自身を除く): 1788382442

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 47, 91, 94, 133, 182, 247, 266, 329, 494, 611, 658, 893, 1222, 1729, 1786, 3458, 4277, 6251, 8554, 11173, 11609, 12502, 22346, 23218, 78211, 81263, 145249, 156422, 162526, 212287, 290498, 424574, 525131, 1016743, 1050262, 1486009, 2033486, 2759731, 2972018, 3675917, 5519462, 6826703, 7351834, 9977489, 13653406, 19318117, 19954978, 38636234, 47786921, 69842423, 95573842, 129707357, 139684846, 259414714, 907951499, 1815902998]

約数ペア:

[(1, 1815902998), (2, 907951499), (7, 259414714), (13, 139684846), (14, 129707357), (19, 95573842), (26, 69842423), (38, 47786921), (47, 38636234), (91, 19954978), (94, 19318117), (133, 13653406), (182, 9977489), (247, 7351834), (266, 6826703), (329, 5519462), (494, 3675917), (611, 2972018), (658, 2759731), (893, 2033486), (1222, 1486009), (1729, 1050262), (1786, 1016743), (3458, 525131), (4277, 424574), (6251, 290498), (8554, 212287), (11173, 162526), (11609, 156422), (12502, 145249), (22346, 81263), (23218, 78211)]