18898040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67493}}^1$

素因数の和:67511

約数の個数: 32

約数和(自身を含む): 48595680

約数和(自身を除く): 29697640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67493, 134986, 269972, 337465, 472451, 539944, 674930, 944902, 1349860, 1889804, 2362255, 2699720, 3779608, 4724510, 9449020, 18898040]

約数ペア:

[(1, 18898040), (2, 9449020), (4, 4724510), (5, 3779608), (7, 2699720), (8, 2362255), (10, 1889804), (14, 1349860), (20, 944902), (28, 674930), (35, 539944), (40, 472451), (56, 337465), (70, 269972), (140, 134986), (280, 67493)]