18650933

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1409}}^1$

素因数の和:1508

約数の個数: 16

約数和(自身を含む): 22379520

約数和(自身を除く): 3728587

約数列:

[1, 7, 31, 61, 217, 427, 1409, 1891, 9863, 13237, 43679, 85949, 305753, 601643, 2664419, 18650933]

約数ペア:

[(1, 18650933), (7, 2664419), (31, 601643), (61, 305753), (217, 85949), (427, 43679), (1409, 13237), (1891, 9863)]