19766416

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{20939}}^1$

素因数の和:21006

約数の個数: 20

約数和(自身を含む): 38948400

約数和(自身を除く): 19181984

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 20939, 41878, 83756, 167512, 335024, 1235401, 2470802, 4941604, 9883208, 19766416]

約数ペア:

[(1, 19766416), (2, 9883208), (4, 4941604), (8, 2470802), (16, 1235401), (59, 335024), (118, 167512), (236, 83756), (472, 41878), (944, 20939)]