19840465

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6737}}^1$

素因数の和:6792

約数の個数: 16

約数和(自身を含む): 25873920

約数和(自身を除く): 6033455

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 6737, 33685, 128003, 208847, 640015, 1044235, 3968093, 19840465]

約数ペア:

[(1, 19840465), (5, 3968093), (19, 1044235), (31, 640015), (95, 208847), (155, 128003), (589, 33685), (2945, 6737)]