19828047

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4289}}^1$

素因数の和:4382

約数の個数: 16

約数和(自身を含む): 28005120

約数和(自身を除く): 8177073

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4289, 4623, 12867, 98647, 287363, 295941, 862089, 6609349, 19828047]

約数ペア:

[(1, 19828047), (3, 6609349), (23, 862089), (67, 295941), (69, 287363), (201, 98647), (1541, 12867), (4289, 4623)]