18424819

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 21897216

約数和(自身を除く): 3472397

約数列:

[1, 7, 31, 197, 217, 431, 1379, 3017, 6107, 13361, 42749, 84907, 93527, 594349, 2632117, 18424819]

約数ペア:

[(1, 18424819), (7, 2632117), (31, 594349), (197, 93527), (217, 84907), (431, 42749), (1379, 13361), (3017, 6107)]