19956381

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1823}}^1$

素因数の和:1956

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 7622499

約数列:

[1, 3, 41, 89, 123, 267, 1823, 3649, 5469, 10947, 74743, 162247, 224229, 486741, 6652127, 19956381]

約数ペア:

[(1, 19956381), (3, 6652127), (41, 486741), (89, 224229), (123, 162247), (267, 74743), (1823, 10947), (3649, 5469)]