19717115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{9689}}^1$

素因数の和:9742

約数の個数: 16

約数和(自身を含む): 26511840

約数和(自身を除く): 6794725

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 9689, 48445, 106579, 358493, 532895, 1792465, 3943423, 19717115]

約数ペア:

[(1, 19717115), (5, 3943423), (11, 1792465), (37, 532895), (55, 358493), (185, 106579), (407, 48445), (2035, 9689)]