18655142778

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{25969}}^1$

素因数の和:26284

約数の個数: 64

約数和(自身を含む): 42407971200

約数和(自身を除く): 23752828422

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 251, 318, 477, 502, 753, 954, 1431, 1506, 2259, 2862, 4518, 6777, 13303, 13554, 25969, 26606, 39909, 51938, 77907, 79818, 119727, 155814, 233721, 239454, 359181, 467442, 701163, 718362, 1376357, 1402326, 2752714, 4129071, 6518219, 8258142, 12387213, 13036438, 19554657, 24774426, 37161639, 39109314, 58663971, 74323278, 117327942, 175991913, 345465607, 351983826, 690931214, 1036396821, 2072793642, 3109190463, 6218380926, 9327571389, 18655142778]

約数ペア:

[(1, 18655142778), (2, 9327571389), (3, 6218380926), (6, 3109190463), (9, 2072793642), (18, 1036396821), (27, 690931214), (53, 351983826), (54, 345465607), (106, 175991913), (159, 117327942), (251, 74323278), (318, 58663971), (477, 39109314), (502, 37161639), (753, 24774426), (954, 19554657), (1431, 13036438), (1506, 12387213), (2259, 8258142), (2862, 6518219), (4518, 4129071), (6777, 2752714), (13303, 1402326), (13554, 1376357), (25969, 718362), (26606, 701163), (39909, 467442), (51938, 359181), (77907, 239454), (79818, 233721), (119727, 155814)]