19892875

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{3701}}^1$

素因数の和:3759

約数の個数: 16

約数和(自身を含む): 25410528

約数和(自身を除く): 5517653

約数列:

[1, 5, 25, 43, 125, 215, 1075, 3701, 5375, 18505, 92525, 159143, 462625, 795715, 3978575, 19892875]

約数ペア:

[(1, 19892875), (5, 3978575), (25, 795715), (43, 462625), (125, 159143), (215, 92525), (1075, 18505), (3701, 5375)]