17888900995

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1\times {\mathrm{2113}}^1$

素因数の和:2612

約数の個数: 64

約数和(自身を含む): 26788608000

約数和(自身を除く): 8899707005

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 439, 551, 665, 1015, 2113, 2195, 2755, 3073, 3857, 8341, 10565, 12731, 14791, 15365, 19285, 40147, 41705, 58387, 61277, 63655, 73955, 89117, 200735, 241889, 281029, 291935, 306385, 428939, 445585, 927607, 1164263, 1209445, 1405145, 1693223, 2144695, 4638035, 5821315, 6493249, 8149841, 8466115, 17624533, 26900603, 32466245, 40749205, 88122665, 123371731, 134503015, 188304221, 511111457, 616858655, 941521105, 2555557285, 3577780199, 17888900995]

約数ペア:

[(1, 17888900995), (5, 3577780199), (7, 2555557285), (19, 941521105), (29, 616858655), (35, 511111457), (95, 188304221), (133, 134503015), (145, 123371731), (203, 88122665), (439, 40749205), (551, 32466245), (665, 26900603), (1015, 17624533), (2113, 8466115), (2195, 8149841), (2755, 6493249), (3073, 5821315), (3857, 4638035), (8341, 2144695), (10565, 1693223), (12731, 1405145), (14791, 1209445), (15365, 1164263), (19285, 927607), (40147, 445585), (41705, 428939), (58387, 306385), (61277, 291935), (63655, 281029), (73955, 241889), (89117, 200735)]