19479856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{110681}}^1$

素因数の和:110700

約数の個数: 20

約数和(自身を含む): 41173704

約数和(自身を除く): 21693848

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 110681, 221362, 442724, 885448, 1217491, 1770896, 2434982, 4869964, 9739928, 19479856]

約数ペア:

[(1, 19479856), (2, 9739928), (4, 4869964), (8, 2434982), (11, 1770896), (16, 1217491), (22, 885448), (44, 442724), (88, 221362), (176, 110681)]