19512087

素因数分解:

$3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2207}}^1$

素因数の和:2638

約数の個数: 16

約数和(自身を含む): 29816832

約数和(自身を除く): 10304745

約数列:

[1, 3, 7, 21, 421, 1263, 2207, 2947, 6621, 8841, 15449, 46347, 929147, 2787441, 6504029, 19512087]

約数ペア:

[(1, 19512087), (3, 6504029), (7, 2787441), (21, 929147), (421, 46347), (1263, 15449), (2207, 8841), (2947, 6621)]