18281718

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11161}}^1$

素因数の和:11189

約数の個数: 48

約数和(自身を含む): 48755616

約数和(自身を除く): 30473898

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 11161, 22322, 33483, 66966, 78127, 100449, 145093, 156254, 200898, 234381, 290186, 435279, 468762, 703143, 870558, 1015651, 1305837, 1406286, 2031302, 2611674, 3046953, 6093906, 9140859, 18281718]

約数ペア:

[(1, 18281718), (2, 9140859), (3, 6093906), (6, 3046953), (7, 2611674), (9, 2031302), (13, 1406286), (14, 1305837), (18, 1015651), (21, 870558), (26, 703143), (39, 468762), (42, 435279), (63, 290186), (78, 234381), (91, 200898), (117, 156254), (126, 145093), (182, 100449), (234, 78127), (273, 66966), (546, 33483), (819, 22322), (1638, 11161)]