18835278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{691}}^1$

素因数の和:773

約数の個数: 64

約数和(自身を含む): 47831040

約数和(自身を除く): 28995762

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 59, 66, 77, 118, 154, 177, 231, 354, 413, 462, 649, 691, 826, 1239, 1298, 1382, 1947, 2073, 2478, 3894, 4146, 4543, 4837, 7601, 9086, 9674, 13629, 14511, 15202, 22803, 27258, 29022, 40769, 45606, 53207, 81538, 106414, 122307, 159621, 244614, 285383, 319242, 448459, 570766, 856149, 896918, 1345377, 1712298, 2690754, 3139213, 6278426, 9417639, 18835278]

約数ペア:

[(1, 18835278), (2, 9417639), (3, 6278426), (6, 3139213), (7, 2690754), (11, 1712298), (14, 1345377), (21, 896918), (22, 856149), (33, 570766), (42, 448459), (59, 319242), (66, 285383), (77, 244614), (118, 159621), (154, 122307), (177, 106414), (231, 81538), (354, 53207), (413, 45606), (462, 40769), (649, 29022), (691, 27258), (826, 22803), (1239, 15202), (1298, 14511), (1382, 13629), (1947, 9674), (2073, 9086), (2478, 7601), (3894, 4837), (4146, 4543)]