19780474

素因数分解:

$2^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{8167}}^1$

素因数の和:8349

約数の個数: 16

約数和(自身を含む): 34109568

約数和(自身を除く): 14329094

約数列:

[1, 2, 7, 14, 173, 346, 1211, 2422, 8167, 16334, 57169, 114338, 1412891, 2825782, 9890237, 19780474]

約数ペア:

[(1, 19780474), (2, 9890237), (7, 2825782), (14, 1412891), (173, 114338), (346, 57169), (1211, 16334), (2422, 8167)]