19888648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191237}}^1$

素因数の和:191256

約数の個数: 16

約数和(自身を含む): 40159980

約数和(自身を除く): 20271332

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191237, 382474, 764948, 1529896, 2486081, 4972162, 9944324, 19888648]

約数ペア:

[(1, 19888648), (2, 9944324), (4, 4972162), (8, 2486081), (13, 1529896), (26, 764948), (52, 382474), (104, 191237)]