19527272

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 18834328

約数列:

[1, 2, 4, 8, 31, 62, 71, 124, 142, 248, 284, 568, 1109, 2201, 2218, 4402, 4436, 8804, 8872, 17608, 34379, 68758, 78739, 137516, 157478, 275032, 314956, 629912, 2440909, 4881818, 9763636, 19527272]

約数ペア:

[(1, 19527272), (2, 9763636), (4, 4881818), (8, 2440909), (31, 629912), (62, 314956), (71, 275032), (124, 157478), (142, 137516), (248, 78739), (284, 68758), (568, 34379), (1109, 17608), (2201, 8872), (2218, 8804), (4402, 4436)]