19712968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{224011}}^1$

素因数の和:224028

約数の個数: 16

約数和(自身を含む): 40322160

約数和(自身を除く): 20609192

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 224011, 448022, 896044, 1792088, 2464121, 4928242, 9856484, 19712968]

約数ペア:

[(1, 19712968), (2, 9856484), (4, 4928242), (8, 2464121), (11, 1792088), (22, 896044), (44, 448022), (88, 224011)]