19479860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22651}}^1$

素因数の和:22703

約数の個数: 24

約数和(自身を含む): 41860896

約数和(自身を除く): 22381036

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22651, 45302, 90604, 113255, 226510, 453020, 973993, 1947986, 3895972, 4869965, 9739930, 19479860]

約数ペア:

[(1, 19479860), (2, 9739930), (4, 4869965), (5, 3895972), (10, 1947986), (20, 973993), (43, 453020), (86, 226510), (172, 113255), (215, 90604), (430, 45302), (860, 22651)]