19661217

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{3373}}^1$

素因数の和:3472

約数の個数: 16

約数和(自身を含む): 27531840

約数和(自身を除く): 7870623

約数列:

[1, 3, 29, 67, 87, 201, 1943, 3373, 5829, 10119, 97817, 225991, 293451, 677973, 6553739, 19661217]

約数ペア:

[(1, 19661217), (3, 6553739), (29, 677973), (67, 293451), (87, 225991), (201, 97817), (1943, 10119), (3373, 5829)]