19875401

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5903}}^1$

素因数の和:5960

約数の個数: 16

約数和(自身を含む): 25127424

約数和(自身を除く): 5252023

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 5903, 41321, 76739, 218411, 537173, 1528877, 2839343, 19875401]

約数ペア:

[(1, 19875401), (7, 2839343), (13, 1528877), (37, 537173), (91, 218411), (259, 76739), (481, 41321), (3367, 5903)]