18409790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37571}}^1$

素因数の和:37592

約数の個数: 24

約数和(自身を含む): 38548872

約数和(自身を除く): 20139082

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 37571, 75142, 187855, 262997, 375710, 525994, 1314985, 1840979, 2629970, 3681958, 9204895, 18409790]

約数ペア:

[(1, 18409790), (2, 9204895), (5, 3681958), (7, 2629970), (10, 1840979), (14, 1314985), (35, 525994), (49, 375710), (70, 262997), (98, 187855), (245, 75142), (490, 37571)]