19163907

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{919}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 31765760

約数和(自身を除く): 12601853

約数列:

[1, 3, 7, 9, 21, 63, 331, 919, 993, 2317, 2757, 2979, 6433, 6951, 8271, 19299, 20853, 57897, 304189, 912567, 2129323, 2737701, 6387969, 19163907]

約数ペア:

[(1, 19163907), (3, 6387969), (7, 2737701), (9, 2129323), (21, 912567), (63, 304189), (331, 57897), (919, 20853), (993, 19299), (2317, 8271), (2757, 6951), (2979, 6433)]