18622648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{491}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 19635272

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 431, 491, 862, 982, 1724, 1964, 3448, 3928, 4741, 5401, 9482, 10802, 18964, 21604, 37928, 43208, 211621, 423242, 846484, 1692968, 2327831, 4655662, 9311324, 18622648]

約数ペア:

[(1, 18622648), (2, 9311324), (4, 4655662), (8, 2327831), (11, 1692968), (22, 846484), (44, 423242), (88, 211621), (431, 43208), (491, 37928), (862, 21604), (982, 18964), (1724, 10802), (1964, 9482), (3448, 5401), (3928, 4741)]