19770839

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1567}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 22880256

約数和(自身を除く): 3109417

約数列:

[1, 11, 31, 37, 341, 407, 1147, 1567, 12617, 17237, 48577, 57979, 534347, 637769, 1797349, 19770839]

約数ペア:

[(1, 19770839), (11, 1797349), (31, 637769), (37, 534347), (341, 57979), (407, 48577), (1147, 17237), (1567, 12617)]