19039839

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 12571041

約数列:

[1, 3, 7, 13, 21, 39, 91, 97, 273, 291, 679, 719, 1261, 2037, 2157, 3783, 5033, 8827, 9347, 15099, 26481, 28041, 65429, 69743, 196287, 209229, 488201, 906659, 1464603, 2719977, 6346613, 19039839]

約数ペア:

[(1, 19039839), (3, 6346613), (7, 2719977), (13, 1464603), (21, 906659), (39, 488201), (91, 209229), (97, 196287), (273, 69743), (291, 65429), (679, 28041), (719, 26481), (1261, 15099), (2037, 9347), (2157, 8827), (3783, 5033)]