19661276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4241}}^1$

素因数の和:4325

約数の個数: 24

約数和(自身を含む): 36820560

約数和(自身を除く): 17159284

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4241, 4636, 8482, 16964, 80579, 161158, 258701, 322316, 517402, 1034804, 4915319, 9830638, 19661276]

約数ペア:

[(1, 19661276), (2, 9830638), (4, 4915319), (19, 1034804), (38, 517402), (61, 322316), (76, 258701), (122, 161158), (244, 80579), (1159, 16964), (2318, 8482), (4241, 4636)]