19450417

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 22913280

約数和(自身を除く): 3462863

約数列:

[1, 7, 53, 103, 371, 509, 721, 3563, 5459, 26977, 38213, 52427, 188839, 366989, 2778631, 19450417]

約数ペア:

[(1, 19450417), (7, 2778631), (53, 366989), (103, 188839), (371, 52427), (509, 38213), (721, 26977), (3563, 5459)]