19661099

素因数分解:

${\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:602

約数の個数: 12

約数和(自身を含む): 20853000

約数和(自身を除く): 1191901

約数列:

[1, 31, 41, 499, 961, 1271, 15469, 20459, 39401, 479539, 634229, 19661099]

約数ペア:

[(1, 19661099), (31, 634229), (41, 479539), (499, 39401), (961, 20459), (1271, 15469)]