19057025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 25665024

約数和(自身を除く): 6607999

約数列:

[1, 5, 13, 25, 65, 191, 307, 325, 955, 1535, 2483, 3991, 4775, 7675, 12415, 19955, 58637, 62075, 99775, 293185, 762281, 1465925, 3811405, 19057025]

約数ペア:

[(1, 19057025), (5, 3811405), (13, 1465925), (25, 762281), (65, 293185), (191, 99775), (307, 62075), (325, 58637), (955, 19955), (1535, 12415), (2483, 7675), (3991, 4775)]