20181526533

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{17257}}^1$

素因数の和:18266

約数の個数: 48

約数和(自身を含む): 35106913920

約数和(自身を除く): 14925387387

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 977, 1197, 2931, 6839, 8793, 17257, 18563, 20517, 51771, 55689, 61551, 120799, 129941, 155313, 167067, 327883, 362397, 389823, 983649, 1087191, 1169469, 2295181, 2950947, 6885543, 16860089, 20656629, 50580267, 118020623, 151740801, 320341691, 354061869, 961025073, 1062185607, 2242391837, 2883075219, 6727175511, 20181526533]

約数ペア:

[(1, 20181526533), (3, 6727175511), (7, 2883075219), (9, 2242391837), (19, 1062185607), (21, 961025073), (57, 354061869), (63, 320341691), (133, 151740801), (171, 118020623), (399, 50580267), (977, 20656629), (1197, 16860089), (2931, 6885543), (6839, 2950947), (8793, 2295181), (17257, 1169469), (18563, 1087191), (20517, 983649), (51771, 389823), (55689, 362397), (61551, 327883), (120799, 167067), (129941, 155313)]