19541716

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{283}}^2$

素因数の和:631

約数の個数: 18

約数和(自身を含む): 34881882

約数和(自身を除く): 15340166

約数列:

[1, 2, 4, 61, 122, 244, 283, 566, 1132, 17263, 34526, 69052, 80089, 160178, 320356, 4885429, 9770858, 19541716]

約数ペア:

[(1, 19541716), (2, 9770858), (4, 4885429), (61, 320356), (122, 160178), (244, 80089), (283, 69052), (566, 34526), (1132, 17263)]