19938064

素因数分解:

$2^4\times {\mathrm{293}}^1\times {\mathrm{4253}}^1$

素因数の和:4554

約数の個数: 20

約数和(自身を含む): 38770956

約数和(自身を除く): 18832892

約数列:

[1, 2, 4, 8, 16, 293, 586, 1172, 2344, 4253, 4688, 8506, 17012, 34024, 68048, 1246129, 2492258, 4984516, 9969032, 19938064]

約数ペア:

[(1, 19938064), (2, 9969032), (4, 4984516), (8, 2492258), (16, 1246129), (293, 68048), (586, 34024), (1172, 17012), (2344, 8506), (4253, 4688)]