19707611

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1213}}^1$

素因数の和:1442

約数の個数: 16

約数和(自身を含む): 24707328

約数和(自身を除く): 4999717

約数列:

[1, 7, 11, 77, 211, 1213, 1477, 2321, 8491, 13343, 16247, 93401, 255943, 1791601, 2815373, 19707611]

約数ペア:

[(1, 19707611), (7, 2815373), (11, 1791601), (77, 255943), (211, 93401), (1213, 16247), (1477, 13343), (2321, 8491)]