19140359

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1103}}^1$

素因数の和:1214

約数の個数: 16

約数和(自身を含む): 22821888

約数和(自身を除く): 3681529

約数列:

[1, 7, 37, 67, 259, 469, 1103, 2479, 7721, 17353, 40811, 73901, 285677, 517307, 2734337, 19140359]

約数ペア:

[(1, 19140359), (7, 2734337), (37, 517307), (67, 285677), (259, 73901), (469, 40811), (1103, 17353), (2479, 7721)]