19985483

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 24514560

約数和(自身を除く): 4529077

約数列:

[1, 7, 31, 49, 59, 217, 223, 413, 1519, 1561, 1829, 2891, 6913, 10927, 12803, 13157, 48391, 89621, 92099, 338737, 407867, 644693, 2855069, 19985483]

約数ペア:

[(1, 19985483), (7, 2855069), (31, 644693), (49, 407867), (59, 338737), (217, 92099), (223, 89621), (413, 48391), (1519, 13157), (1561, 12803), (1829, 10927), (2891, 6913)]