19821617

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:584

約数の個数: 16

約数和(自身を含む): 21880320

約数和(自身を除く): 2058703

約数列:

[1, 19, 31, 73, 461, 589, 1387, 2263, 8759, 14291, 33653, 42997, 271529, 639407, 1043243, 19821617]

約数ペア:

[(1, 19821617), (19, 1043243), (31, 639407), (73, 271529), (461, 42997), (589, 33653), (1387, 14291), (2263, 8759)]