19962267

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30109}}^1$

素因数の和:30142

約数の個数: 16

約数和(自身を含む): 30350880

約数和(自身を除く): 10388613

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 30109, 90327, 391417, 511853, 1174251, 1535559, 6654089, 19962267]

約数ペア:

[(1, 19962267), (3, 6654089), (13, 1535559), (17, 1174251), (39, 511853), (51, 391417), (221, 90327), (663, 30109)]