19942648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{226621}}^1$

素因数の和:226638

約数の個数: 16

約数和(自身を含む): 40791960

約数和(自身を除く): 20849312

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 226621, 453242, 906484, 1812968, 2492831, 4985662, 9971324, 19942648]

約数ペア:

[(1, 19942648), (2, 9971324), (4, 4985662), (8, 2492831), (11, 1812968), (22, 906484), (44, 453242), (88, 226621)]