17879991

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{2039}}^1$

素因数の和:2158

約数の個数: 16

約数和(自身を含む): 24806400

約数和(自身を除く): 6926409

約数列:

[1, 3, 37, 79, 111, 237, 2039, 2923, 6117, 8769, 75443, 161081, 226329, 483243, 5959997, 17879991]

約数ペア:

[(1, 17879991), (3, 5959997), (37, 483243), (79, 226329), (111, 161081), (237, 75443), (2039, 8769), (2923, 6117)]