19199721

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{1619}}^1$

素因数の和:1748

約数の個数: 16

約数和(自身を含む): 26438400

約数和(自身を除く): 7238679

約数列:

[1, 3, 59, 67, 177, 201, 1619, 3953, 4857, 11859, 95521, 108473, 286563, 325419, 6399907, 19199721]

約数ペア:

[(1, 19199721), (3, 6399907), (59, 325419), (67, 286563), (177, 108473), (201, 95521), (1619, 11859), (3953, 4857)]