18906878

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{1021}}^1$

素因数の和:1267

約数の個数: 16

約数和(自身を含む): 29139264

約数和(自身を除く): 10232386

約数列:

[1, 2, 47, 94, 197, 394, 1021, 2042, 9259, 18518, 47987, 95974, 201137, 402274, 9453439, 18906878]

約数ペア:

[(1, 18906878), (2, 9453439), (47, 402274), (94, 201137), (197, 95974), (394, 47987), (1021, 18518), (2042, 9259)]