19741617

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1559}}^1$

素因数の和:1642

約数の個数: 32

約数和(自身を含む): 33945600

約数和(自身を除く): 14203983

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 1407, 1559, 1809, 4221, 4677, 10913, 12663, 14031, 32739, 42093, 98217, 104453, 294651, 313359, 731171, 940077, 2193513, 2820231, 6580539, 19741617]

約数ペア:

[(1, 19741617), (3, 6580539), (7, 2820231), (9, 2193513), (21, 940077), (27, 731171), (63, 313359), (67, 294651), (189, 104453), (201, 98217), (469, 42093), (603, 32739), (1407, 14031), (1559, 12663), (1809, 10913), (4221, 4677)]