20171801136

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{961661}}^1$

素因数の和:961714

約数の個数: 80

約数和(自身を含む): 57238122240

約数和(自身を除く): 37066321104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 38, 46, 48, 57, 69, 76, 92, 114, 138, 152, 184, 228, 276, 304, 368, 437, 456, 552, 874, 912, 1104, 1311, 1748, 2622, 3496, 5244, 6992, 10488, 20976, 961661, 1923322, 2884983, 3846644, 5769966, 7693288, 11539932, 15386576, 18271559, 22118203, 23079864, 36543118, 44236406, 46159728, 54814677, 66354609, 73086236, 88472812, 109629354, 132709218, 146172472, 176945624, 219258708, 265418436, 292344944, 353891248, 420245857, 438517416, 530836872, 840491714, 877034832, 1061673744, 1260737571, 1680983428, 2521475142, 3361966856, 5042950284, 6723933712, 10085900568, 20171801136]

約数ペア:

[(1, 20171801136), (2, 10085900568), (3, 6723933712), (4, 5042950284), (6, 3361966856), (8, 2521475142), (12, 1680983428), (16, 1260737571), (19, 1061673744), (23, 877034832), (24, 840491714), (38, 530836872), (46, 438517416), (48, 420245857), (57, 353891248), (69, 292344944), (76, 265418436), (92, 219258708), (114, 176945624), (138, 146172472), (152, 132709218), (184, 109629354), (228, 88472812), (276, 73086236), (304, 66354609), (368, 54814677), (437, 46159728), (456, 44236406), (552, 36543118), (874, 23079864), (912, 22118203), (1104, 18271559), (1311, 15386576), (1748, 11539932), (2622, 7693288), (3496, 5769966), (5244, 3846644), (6992, 2884983), (10488, 1923322), (20976, 961661)]