19910506

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{129289}}^1$

素因数の和:129309

約数の個数: 16

約数和(自身を含む): 37235520

約数和(自身を除く): 17325014

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 129289, 258578, 905023, 1422179, 1810046, 2844358, 9955253, 19910506]

約数ペア:

[(1, 19910506), (2, 9955253), (7, 2844358), (11, 1810046), (14, 1422179), (22, 905023), (77, 258578), (154, 129289)]