19888167

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{4951}}^1$

素因数の和:5070

約数の個数: 16

約数和(自身を含む): 28840448

約数和(自身を除く): 8952281

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 4951, 14853, 64363, 193089, 509953, 1529859, 6629389, 19888167]

約数ペア:

[(1, 19888167), (3, 6629389), (13, 1529859), (39, 509953), (103, 193089), (309, 64363), (1339, 14853), (4017, 4951)]