19923685

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{523}}^1$

素因数の和:948

約数の個数: 16

約数和(自身を含む): 25277760

約数和(自身を除く): 5354075

約数列:

[1, 5, 19, 95, 401, 523, 2005, 2615, 7619, 9937, 38095, 49685, 209723, 1048615, 3984737, 19923685]

約数ペア:

[(1, 19923685), (5, 3984737), (19, 1048615), (95, 209723), (401, 49685), (523, 38095), (2005, 9937), (2615, 7619)]