19660690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7591}}^1$

素因数の和:7642

約数の個数: 32

約数和(自身を含む): 41543424

約数和(自身を除く): 21882734

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 7591, 15182, 37955, 53137, 75910, 106274, 265685, 280867, 531370, 561734, 1404335, 1966069, 2808670, 3932138, 9830345, 19660690]

約数ペア:

[(1, 19660690), (2, 9830345), (5, 3932138), (7, 2808670), (10, 1966069), (14, 1404335), (35, 561734), (37, 531370), (70, 280867), (74, 265685), (185, 106274), (259, 75910), (370, 53137), (518, 37955), (1295, 15182), (2590, 7591)]