19005137739

素因数分解:

$3^2\times 7^1\times {\mathrm{13859}}^1\times {\mathrm{21767}}^1$

素因数の和:35639

約数の個数: 24

約数和(自身を含む): 31377265920

約数和(自身を除く): 12372128181

約数列:

[1, 3, 7, 9, 21, 63, 13859, 21767, 41577, 65301, 97013, 124731, 152369, 195903, 291039, 457107, 873117, 1371321, 301668853, 905006559, 2111681971, 2715019677, 6335045913, 19005137739]

約数ペア:

[(1, 19005137739), (3, 6335045913), (7, 2715019677), (9, 2111681971), (21, 905006559), (63, 301668853), (13859, 1371321), (21767, 873117), (41577, 457107), (65301, 291039), (97013, 195903), (124731, 152369)]