18091520888

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{40237}}^1$

素因数の和:40325

約数の個数: 96

約数和(自身を含む): 41834643840

約数和(自身を除く): 23743122952

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 49, 56, 62, 74, 98, 124, 148, 196, 217, 248, 259, 296, 392, 434, 518, 868, 1036, 1147, 1519, 1736, 1813, 2072, 2294, 3038, 3626, 4588, 6076, 7252, 8029, 9176, 12152, 14504, 16058, 32116, 40237, 56203, 64232, 80474, 112406, 160948, 224812, 281659, 321896, 449624, 563318, 1126636, 1247347, 1488769, 1971613, 2253272, 2494694, 2977538, 3943226, 4989388, 5955076, 7886452, 8731429, 9978776, 10421383, 11910152, 15772904, 17462858, 20842766, 34925716, 41685532, 46151839, 61120003, 69851432, 72949681, 83371064, 92303678, 122240006, 145899362, 184607356, 244480012, 291798724, 323062873, 369214712, 488960024, 583597448, 646125746, 1292251492, 2261440111, 2584502984, 4522880222, 9045760444, 18091520888]

約数ペア:

[(1, 18091520888), (2, 9045760444), (4, 4522880222), (7, 2584502984), (8, 2261440111), (14, 1292251492), (28, 646125746), (31, 583597448), (37, 488960024), (49, 369214712), (56, 323062873), (62, 291798724), (74, 244480012), (98, 184607356), (124, 145899362), (148, 122240006), (196, 92303678), (217, 83371064), (248, 72949681), (259, 69851432), (296, 61120003), (392, 46151839), (434, 41685532), (518, 34925716), (868, 20842766), (1036, 17462858), (1147, 15772904), (1519, 11910152), (1736, 10421383), (1813, 9978776), (2072, 8731429), (2294, 7886452), (3038, 5955076), (3626, 4989388), (4588, 3943226), (6076, 2977538), (7252, 2494694), (8029, 2253272), (9176, 1971613), (12152, 1488769), (14504, 1247347), (16058, 1126636), (32116, 563318), (40237, 449624), (56203, 321896), (64232, 281659), (80474, 224812), (112406, 160948)]