19199973

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^2$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 28476448

約数和(自身を除く): 9276475

約数列:

[1, 3, 13, 39, 43, 107, 129, 321, 559, 1391, 1677, 4173, 4601, 11449, 13803, 34347, 59813, 148837, 179439, 446511, 492307, 1476921, 6399991, 19199973]

約数ペア:

[(1, 19199973), (3, 6399991), (13, 1476921), (39, 492307), (43, 446511), (107, 179439), (129, 148837), (321, 59813), (559, 34347), (1391, 13803), (1677, 11449), (4173, 4601)]