18845684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 20780812

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 47, 52, 94, 143, 188, 286, 517, 572, 611, 701, 1034, 1222, 1402, 2068, 2444, 2804, 6721, 7711, 9113, 13442, 15422, 18226, 26884, 30844, 32947, 36452, 65894, 100243, 131788, 200486, 362417, 400972, 428311, 724834, 856622, 1449668, 1713244, 4711421, 9422842, 18845684]

約数ペア:

[(1, 18845684), (2, 9422842), (4, 4711421), (11, 1713244), (13, 1449668), (22, 856622), (26, 724834), (44, 428311), (47, 400972), (52, 362417), (94, 200486), (143, 131788), (188, 100243), (286, 65894), (517, 36452), (572, 32947), (611, 30844), (701, 26884), (1034, 18226), (1222, 15422), (1402, 13442), (2068, 9113), (2444, 7711), (2804, 6721)]