19181409

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{883}}^1$

素因数の和:1456

約数の個数: 16

約数和(自身を含む): 27623232

約数和(自身を除く): 8441823

約数列:

[1, 3, 13, 39, 557, 883, 1671, 2649, 7241, 11479, 21723, 34437, 491831, 1475493, 6393803, 19181409]

約数ペア:

[(1, 19181409), (3, 6393803), (13, 1475493), (39, 491831), (557, 34437), (883, 21723), (1671, 11479), (2649, 7241)]