18474160

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7963}}^1$

素因数の和:8005

約数の個数: 40

約数和(自身を含む): 44439120

約数和(自身を除く): 25964960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 7963, 15926, 31852, 39815, 63704, 79630, 127408, 159260, 230927, 318520, 461854, 637040, 923708, 1154635, 1847416, 2309270, 3694832, 4618540, 9237080, 18474160]

約数ペア:

[(1, 18474160), (2, 9237080), (4, 4618540), (5, 3694832), (8, 2309270), (10, 1847416), (16, 1154635), (20, 923708), (29, 637040), (40, 461854), (58, 318520), (80, 230927), (116, 159260), (145, 127408), (232, 79630), (290, 63704), (464, 39815), (580, 31852), (1160, 15926), (2320, 7963)]