19680918

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{53773}}^1$

素因数の和:53839

約数の個数: 16

約数和(自身を含む): 40007856

約数和(自身を除く): 20326938

約数列:

[1, 2, 3, 6, 61, 122, 183, 366, 53773, 107546, 161319, 322638, 3280153, 6560306, 9840459, 19680918]

約数ペア:

[(1, 19680918), (2, 9840459), (3, 6560306), (6, 3280153), (61, 322638), (122, 161319), (183, 107546), (366, 53773)]