19928906

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{809}}^1$

素因数の和:1033

約数の個数: 16

約数和(自身を含む): 30472200

約数和(自身を除く): 10543294

約数列:

[1, 2, 109, 113, 218, 226, 809, 1618, 12317, 24634, 88181, 91417, 176362, 182834, 9964453, 19928906]

約数ペア:

[(1, 19928906), (2, 9964453), (109, 182834), (113, 176362), (218, 91417), (226, 88181), (809, 24634), (1618, 12317)]