19307271

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{919}}^1$

素因数の和:1118

約数の個数: 16

約数和(自身を含む): 26496000

約数和(自身を除く): 7188729

約数列:

[1, 3, 47, 141, 149, 447, 919, 2757, 7003, 21009, 43193, 129579, 136931, 410793, 6435757, 19307271]

約数ペア:

[(1, 19307271), (3, 6435757), (47, 410793), (141, 136931), (149, 129579), (447, 43193), (919, 21009), (2757, 7003)]