19660251

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{5197}}^1$

素因数の和:5310

約数の個数: 16

約数和(自身を含む): 28526624

約数和(自身を除く): 8866373

約数列:

[1, 3, 13, 39, 97, 291, 1261, 3783, 5197, 15591, 67561, 202683, 504109, 1512327, 6553417, 19660251]

約数ペア:

[(1, 19660251), (3, 6553417), (13, 1512327), (39, 504109), (97, 202683), (291, 67561), (1261, 15591), (3783, 5197)]