1888973955

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{20407}}^1$

素因数の和:20457

約数の個数: 72

約数和(自身を含む): 3810826656

約数和(自身を除く): 1921852701

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 121, 153, 165, 187, 255, 363, 495, 561, 605, 765, 935, 1089, 1683, 1815, 2057, 2805, 5445, 6171, 8415, 10285, 18513, 20407, 30855, 61221, 92565, 102035, 183663, 224477, 306105, 346919, 673431, 918315, 1040757, 1122385, 1734595, 2020293, 2469247, 3122271, 3367155, 3816109, 5203785, 7407741, 10101465, 11448327, 12346235, 15611355, 19080545, 22223223, 34344981, 37038705, 41977199, 57241635, 111116115, 125931597, 171724905, 209885995, 377794791, 629657985, 1888973955]

約数ペア:

[(1, 1888973955), (3, 629657985), (5, 377794791), (9, 209885995), (11, 171724905), (15, 125931597), (17, 111116115), (33, 57241635), (45, 41977199), (51, 37038705), (55, 34344981), (85, 22223223), (99, 19080545), (121, 15611355), (153, 12346235), (165, 11448327), (187, 10101465), (255, 7407741), (363, 5203785), (495, 3816109), (561, 3367155), (605, 3122271), (765, 2469247), (935, 2020293), (1089, 1734595), (1683, 1122385), (1815, 1040757), (2057, 918315), (2805, 673431), (5445, 346919), (6171, 306105), (8415, 224477), (10285, 183663), (18513, 102035), (20407, 92565), (30855, 61221)]