19680910

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{7841}}^1$

素因数の和:8099

約数の個数: 16

約数和(自身を含む): 35571312

約数和(自身を除く): 15890402

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 7841, 15682, 39205, 78410, 1968091, 3936182, 9840455, 19680910]

約数ペア:

[(1, 19680910), (2, 9840455), (5, 3936182), (10, 1968091), (251, 78410), (502, 39205), (1255, 15682), (2510, 7841)]