18820776

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{337}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 51105600

約数和(自身を除く): 32284824

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 179, 312, 337, 358, 537, 674, 716, 1011, 1074, 1348, 1432, 2022, 2148, 2327, 2696, 4044, 4296, 4381, 4654, 6981, 8088, 8762, 9308, 13143, 13962, 17524, 18616, 26286, 27924, 35048, 52572, 55848, 60323, 105144, 120646, 180969, 241292, 361938, 482584, 723876, 784199, 1447752, 1568398, 2352597, 3136796, 4705194, 6273592, 9410388, 18820776]

約数ペア:

[(1, 18820776), (2, 9410388), (3, 6273592), (4, 4705194), (6, 3136796), (8, 2352597), (12, 1568398), (13, 1447752), (24, 784199), (26, 723876), (39, 482584), (52, 361938), (78, 241292), (104, 180969), (156, 120646), (179, 105144), (312, 60323), (337, 55848), (358, 52572), (537, 35048), (674, 27924), (716, 26286), (1011, 18616), (1074, 17524), (1348, 13962), (1432, 13143), (2022, 9308), (2148, 8762), (2327, 8088), (2696, 6981), (4044, 4654), (4296, 4381)]