19419580

素因数分解:

$2^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{1621}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 40874400

約数和(自身を除く): 21454820

約数列:

[1, 2, 4, 5, 10, 20, 599, 1198, 1621, 2396, 2995, 3242, 5990, 6484, 8105, 11980, 16210, 32420, 970979, 1941958, 3883916, 4854895, 9709790, 19419580]

約数ペア:

[(1, 19419580), (2, 9709790), (4, 4854895), (5, 3883916), (10, 1941958), (20, 970979), (599, 32420), (1198, 16210), (1621, 11980), (2396, 8105), (2995, 6484), (3242, 5990)]