19865301

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{1213}}^1$

素因数の和:1372

約数の個数: 16

約数和(自身を含む): 27271296

約数和(自身を除く): 7405995

約数列:

[1, 3, 53, 103, 159, 309, 1213, 3639, 5459, 16377, 64289, 124939, 192867, 374817, 6621767, 19865301]

約数ペア:

[(1, 19865301), (3, 6621767), (53, 374817), (103, 192867), (159, 124939), (309, 64289), (1213, 16377), (3639, 5459)]