19511388638

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{10638707}}^1$

素因数の和:10638847

約数の個数: 16

約数和(自身を含む): 33703426944

約数和(自身を除く): 14192038306

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 10638707, 21277414, 74470949, 148941898, 1393670617, 2787341234, 9755694319, 19511388638]

約数ペア:

[(1, 19511388638), (2, 9755694319), (7, 2787341234), (14, 1393670617), (131, 148941898), (262, 74470949), (917, 21277414), (1834, 10638707)]