19781482

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21089}}^1$

素因数の和:21165

約数の個数: 16

約数和(自身を含む): 34418880

約数和(自身を除く): 14637398

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 21089, 42178, 147623, 295246, 1412963, 2825926, 9890741, 19781482]

約数ペア:

[(1, 19781482), (2, 9890741), (7, 2825926), (14, 1412963), (67, 295246), (134, 147623), (469, 42178), (938, 21089)]