18913305565

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{10301}}^1$

素因数の和:10594

約数の個数: 64

約数和(自身を含む): 29907118080

約数和(自身を除く): 10993812515

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 251, 385, 665, 1045, 1255, 1463, 1757, 2761, 4769, 7315, 8785, 10301, 13805, 19327, 23845, 33383, 51505, 52459, 72107, 96635, 113311, 166915, 195719, 262295, 360535, 367213, 566555, 793177, 978595, 1370033, 1836065, 2152909, 2585551, 3965885, 6850165, 10764545, 12927755, 15070363, 18098857, 28441061, 49125469, 75351815, 90494285, 142205305, 199087427, 245627345, 343878283, 540380159, 995437135, 1719391415, 2701900795, 3782661113, 18913305565]

約数ペア:

[(1, 18913305565), (5, 3782661113), (7, 2701900795), (11, 1719391415), (19, 995437135), (35, 540380159), (55, 343878283), (77, 245627345), (95, 199087427), (133, 142205305), (209, 90494285), (251, 75351815), (385, 49125469), (665, 28441061), (1045, 18098857), (1255, 15070363), (1463, 12927755), (1757, 10764545), (2761, 6850165), (4769, 3965885), (7315, 2585551), (8785, 2152909), (10301, 1836065), (13805, 1370033), (19327, 978595), (23845, 793177), (33383, 566555), (51505, 367213), (52459, 360535), (72107, 262295), (96635, 195719), (113311, 166915)]