19252219

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 23113728

約数和(自身を除く): 3861509

約数列:

[1, 7, 23, 161, 197, 607, 1379, 4249, 4531, 13961, 31717, 97727, 119579, 837053, 2750317, 19252219]

約数ペア:

[(1, 19252219), (7, 2750317), (23, 837053), (161, 119579), (197, 97727), (607, 31717), (1379, 13961), (4249, 4531)]