19665338

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{461}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 36989568

約数和(自身を除く): 17324230

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 277, 461, 554, 922, 1939, 3047, 3227, 3878, 5071, 6094, 6454, 10142, 21329, 35497, 42658, 70994, 127697, 255394, 893879, 1404667, 1787758, 2809334, 9832669, 19665338]

約数ペア:

[(1, 19665338), (2, 9832669), (7, 2809334), (11, 1787758), (14, 1404667), (22, 893879), (77, 255394), (154, 127697), (277, 70994), (461, 42658), (554, 35497), (922, 21329), (1939, 10142), (3047, 6454), (3227, 6094), (3878, 5071)]