18437920

素因数分解:

$2^5\times 5^1\times {\mathrm{115237}}^1$

素因数の和:115252

約数の個数: 24

約数和(自身を含む): 43559964

約数和(自身を除く): 25122044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 115237, 230474, 460948, 576185, 921896, 1152370, 1843792, 2304740, 3687584, 4609480, 9218960, 18437920]

約数ペア:

[(1, 18437920), (2, 9218960), (4, 4609480), (5, 3687584), (8, 2304740), (10, 1843792), (16, 1152370), (20, 921896), (32, 576185), (40, 460948), (80, 230474), (160, 115237)]