18914160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78809}}^1$

素因数の和:78825

約数の個数: 40

約数和(自身を含む): 58634640

約数和(自身を除く): 39720480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78809, 157618, 236427, 315236, 394045, 472854, 630472, 788090, 945708, 1182135, 1260944, 1576180, 1891416, 2364270, 3152360, 3782832, 4728540, 6304720, 9457080, 18914160]

約数ペア:

[(1, 18914160), (2, 9457080), (3, 6304720), (4, 4728540), (5, 3782832), (6, 3152360), (8, 2364270), (10, 1891416), (12, 1576180), (15, 1260944), (16, 1182135), (20, 945708), (24, 788090), (30, 630472), (40, 472854), (48, 394045), (60, 315236), (80, 236427), (120, 157618), (240, 78809)]