19767925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 26426880

約数和(自身を除く): 6658955

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 1109, 3565, 5545, 17825, 25507, 27725, 34379, 127535, 171895, 637675, 790717, 859475, 3953585, 19767925]

約数ペア:

[(1, 19767925), (5, 3953585), (23, 859475), (25, 790717), (31, 637675), (115, 171895), (155, 127535), (575, 34379), (713, 27725), (775, 25507), (1109, 17825), (3565, 5545)]