19639777

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 21650112

約数和(自身を除く): 2010335

約数列:

[1, 17, 43, 67, 401, 731, 1139, 2881, 6817, 17243, 26867, 48977, 293131, 456739, 1155281, 19639777]

約数ペア:

[(1, 19639777), (17, 1155281), (43, 456739), (67, 293131), (401, 48977), (731, 26867), (1139, 17243), (2881, 6817)]