19872681

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{1453}}^1$

素因数の和:1600

約数の個数: 16

約数和(自身を含む): 27358464

約数和(自身を除く): 7485783

約数列:

[1, 3, 47, 97, 141, 291, 1453, 4359, 4559, 13677, 68291, 140941, 204873, 422823, 6624227, 19872681]

約数ペア:

[(1, 19872681), (3, 6624227), (47, 422823), (97, 204873), (141, 140941), (291, 68291), (1453, 13677), (4359, 4559)]