19898422

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{577}}^1$

素因数の和:1023

約数の個数: 16

約数和(自身を含む): 30670992

約数和(自身を除く): 10772570

約数列:

[1, 2, 43, 86, 401, 577, 802, 1154, 17243, 24811, 34486, 49622, 231377, 462754, 9949211, 19898422]

約数ペア:

[(1, 19898422), (2, 9949211), (43, 462754), (86, 231377), (401, 49622), (577, 34486), (802, 24811), (1154, 17243)]