19899646

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 14065922

約数列:

[1, 2, 13, 23, 26, 46, 107, 214, 299, 311, 598, 622, 1391, 2461, 2782, 4043, 4922, 7153, 8086, 14306, 31993, 33277, 63986, 66554, 92989, 185978, 432601, 765371, 865202, 1530742, 9949823, 19899646]

約数ペア:

[(1, 19899646), (2, 9949823), (13, 1530742), (23, 865202), (26, 765371), (46, 432601), (107, 185978), (214, 92989), (299, 66554), (311, 63986), (598, 33277), (622, 31993), (1391, 14306), (2461, 8086), (2782, 7153), (4043, 4922)]