19511926

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{10639}}^1$

素因数の和:10779

約数の個数: 16

約数和(自身を含む): 33707520

約数和(自身を除く): 14195594

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 10639, 21278, 74473, 148946, 1393709, 2787418, 9755963, 19511926]

約数ペア:

[(1, 19511926), (2, 9755963), (7, 2787418), (14, 1393709), (131, 148946), (262, 74473), (917, 21278), (1834, 10639)]