19997025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{14033}}^1$

素因数の和:14065

約数の個数: 24

約数和(自身を含む): 34804320

約数和(自身を除く): 14807295

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 14033, 42099, 70165, 210495, 266627, 350825, 799881, 1052475, 1333135, 3999405, 6665675, 19997025]

約数ペア:

[(1, 19997025), (3, 6665675), (5, 3999405), (15, 1333135), (19, 1052475), (25, 799881), (57, 350825), (75, 266627), (95, 210495), (285, 70165), (475, 42099), (1425, 14033)]