19609685

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4159}}^1$

素因数の和:4228

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 5549995

約数列:

[1, 5, 23, 41, 115, 205, 943, 4159, 4715, 20795, 95657, 170519, 478285, 852595, 3921937, 19609685]

約数ペア:

[(1, 19609685), (5, 3921937), (23, 852595), (41, 478285), (115, 170519), (205, 95657), (943, 20795), (4159, 4715)]