12459820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{32789}}^1$

素因数の和:32817

約数の個数: 24

約数和(自身を含む): 27543600

約数和(自身を除く): 15083780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 32789, 65578, 131156, 163945, 327890, 622991, 655780, 1245982, 2491964, 3114955, 6229910, 12459820]

約数ペア:

[(1, 12459820), (2, 6229910), (4, 3114955), (5, 2491964), (10, 1245982), (19, 655780), (20, 622991), (38, 327890), (76, 163945), (95, 131156), (190, 65578), (380, 32789)]