18796669892

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{670639}}^1$

素因数の和:670681

約数の個数: 72

約数和(自身を含む): 44954340480

約数和(自身を除く): 26157670588

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 4004, 7007, 14014, 28028, 670639, 1341278, 2682556, 4694473, 7377029, 8718307, 9388946, 14754058, 17436614, 18777892, 29508116, 32861311, 34873228, 51639203, 61028149, 65722622, 95901377, 103278406, 122056298, 131445244, 191802754, 206556812, 244112596, 361474421, 383605508, 427197043, 671309639, 722948842, 854394086, 1342619278, 1445897684, 1708788172, 2685238556, 4699167473, 9398334946, 18796669892]

約数ペア:

[(1, 18796669892), (2, 9398334946), (4, 4699167473), (7, 2685238556), (11, 1708788172), (13, 1445897684), (14, 1342619278), (22, 854394086), (26, 722948842), (28, 671309639), (44, 427197043), (49, 383605508), (52, 361474421), (77, 244112596), (91, 206556812), (98, 191802754), (143, 131445244), (154, 122056298), (182, 103278406), (196, 95901377), (286, 65722622), (308, 61028149), (364, 51639203), (539, 34873228), (572, 32861311), (637, 29508116), (1001, 18777892), (1078, 17436614), (1274, 14754058), (2002, 9388946), (2156, 8718307), (2548, 7377029), (4004, 4694473), (7007, 2682556), (14014, 1341278), (28028, 670639)]