19322525

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{2141}}^1$

素因数の和:2189

約数の個数: 18

約数和(自身を含む): 25299162

約数和(自身を除く): 5976637

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 2141, 9025, 10705, 40679, 53525, 203395, 772901, 1016975, 3864505, 19322525]

約数ペア:

[(1, 19322525), (5, 3864505), (19, 1016975), (25, 772901), (95, 203395), (361, 53525), (475, 40679), (1805, 10705), (2141, 9025)]