18996920327

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 24619438080

約数和(自身を除く): 5622517753

約数列:

[1, 7, 11, 53, 77, 89, 193, 271, 371, 583, 623, 979, 1351, 1897, 2123, 2981, 4081, 4717, 6853, 10229, 14363, 14861, 17177, 20867, 24119, 33019, 51887, 52303, 71603, 100541, 112519, 120239, 157993, 168833, 188947, 265309, 363209, 366121, 575333, 787633, 910381, 1105951, 1278307, 1322629, 1857163, 2772059, 4027331, 4654967, 6372667, 8948149, 10014191, 14061377, 19404413, 30492649, 32584769, 51204637, 70099337, 98429639, 213448543, 246713251, 358432459, 1726992757, 2713845761, 18996920327]

約数ペア:

[(1, 18996920327), (7, 2713845761), (11, 1726992757), (53, 358432459), (77, 246713251), (89, 213448543), (193, 98429639), (271, 70099337), (371, 51204637), (583, 32584769), (623, 30492649), (979, 19404413), (1351, 14061377), (1897, 10014191), (2123, 8948149), (2981, 6372667), (4081, 4654967), (4717, 4027331), (6853, 2772059), (10229, 1857163), (14363, 1322629), (14861, 1278307), (17177, 1105951), (20867, 910381), (24119, 787633), (33019, 575333), (51887, 366121), (52303, 363209), (71603, 265309), (100541, 188947), (112519, 168833), (120239, 157993)]