19199860

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7559}}^1$

素因数の和:7695

約数の個数: 24

約数和(自身を含む): 40642560

約数和(自身を除く): 21442700

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7559, 15118, 30236, 37795, 75590, 151180, 959993, 1919986, 3839972, 4799965, 9599930, 19199860]

約数ペア:

[(1, 19199860), (2, 9599930), (4, 4799965), (5, 3839972), (10, 1919986), (20, 959993), (127, 151180), (254, 75590), (508, 37795), (635, 30236), (1270, 15118), (2540, 7559)]