19942405

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4159}}^1$

素因数の和:4308

約数の個数: 16

約数和(自身を含む): 27555840

約数和(自身を除く): 7613435

約数列:

[1, 5, 7, 35, 137, 685, 959, 4159, 4795, 20795, 29113, 145565, 569783, 2848915, 3988481, 19942405]

約数ペア:

[(1, 19942405), (5, 3988481), (7, 2848915), (35, 569783), (137, 145565), (685, 29113), (959, 20795), (4159, 4795)]