19638685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18793}}^1$

素因数の和:18828

約数の個数: 16

約数和(自身を含む): 27063360

約数和(自身を除く): 7424675

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 18793, 93965, 206723, 357067, 1033615, 1785335, 3927737, 19638685]

約数ペア:

[(1, 19638685), (5, 3927737), (11, 1785335), (19, 1033615), (55, 357067), (95, 206723), (209, 93965), (1045, 18793)]