19612648

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20261}}^1$

素因数の和:20289

約数の個数: 24

約数和(自身を含む): 40422690

約数和(自身を除く): 20810042

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20261, 40522, 81044, 162088, 222871, 445742, 891484, 1782968, 2451581, 4903162, 9806324, 19612648]

約数ペア:

[(1, 19612648), (2, 9806324), (4, 4903162), (8, 2451581), (11, 1782968), (22, 891484), (44, 445742), (88, 222871), (121, 162088), (242, 81044), (484, 40522), (968, 20261)]