19839141

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2837}}^1$

素因数の和:2890

約数の個数: 32

約数和(自身を含む): 34510080

約数和(自身を除く): 14670939

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 2837, 6993, 8511, 19859, 25533, 59577, 76599, 104969, 178731, 314907, 536193, 734783, 944721, 2204349, 2834163, 6613047, 19839141]

約数ペア:

[(1, 19839141), (3, 6613047), (7, 2834163), (9, 2204349), (21, 944721), (27, 734783), (37, 536193), (63, 314907), (111, 178731), (189, 104969), (259, 76599), (333, 59577), (777, 25533), (999, 19859), (2331, 8511), (2837, 6993)]