18760235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{727}}^1$

素因数の和:1142

約数の個数: 16

約数和(自身を含む): 24338496

約数和(自身を除く): 5578261

約数列:

[1, 5, 13, 65, 397, 727, 1985, 3635, 5161, 9451, 25805, 47255, 288619, 1443095, 3752047, 18760235]

約数ペア:

[(1, 18760235), (5, 3752047), (13, 1443095), (65, 288619), (397, 47255), (727, 25805), (1985, 9451), (3635, 5161)]