19691710

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{8599}}^1$

素因数の和:8835

約数の個数: 16

約数和(自身を含む): 35604000

約数和(自身を除く): 15912290

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 8599, 17198, 42995, 85990, 1969171, 3938342, 9845855, 19691710]

約数ペア:

[(1, 19691710), (2, 9845855), (5, 3938342), (10, 1969171), (229, 85990), (458, 42995), (1145, 17198), (2290, 8599)]