19746993

素因数分解:

$3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{2521}}^1$

素因数の和:2904

約数の個数: 16

約数和(自身を含む): 30183296

約数和(自身を除く): 10436303

約数列:

[1, 3, 7, 21, 373, 1119, 2521, 2611, 7563, 7833, 17647, 52941, 940333, 2820999, 6582331, 19746993]

約数ペア:

[(1, 19746993), (3, 6582331), (7, 2820999), (21, 940333), (373, 52941), (1119, 17647), (2521, 7833), (2611, 7563)]