19692267

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1229}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 30848400

約数和(自身を除く): 11156133

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 1229, 2289, 3687, 5341, 8603, 16023, 25809, 60221, 133961, 180663, 401883, 937727, 2813181, 6564089, 19692267]

約数ペア:

[(1, 19692267), (3, 6564089), (7, 2813181), (21, 937727), (49, 401883), (109, 180663), (147, 133961), (327, 60221), (763, 25809), (1229, 16023), (2289, 8603), (3687, 5341)]