19764087

素因数分解:

$3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{2347}}^1$

素因数の和:2758

約数の個数: 16

約数和(自身を含む): 30204672

約数和(自身を除く): 10440585

約数列:

[1, 3, 7, 21, 401, 1203, 2347, 2807, 7041, 8421, 16429, 49287, 941147, 2823441, 6588029, 19764087]

約数ペア:

[(1, 19764087), (3, 6588029), (7, 2823441), (21, 941147), (401, 49287), (1203, 16429), (2347, 8421), (2807, 7041)]