18427549

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{397}}^1$

素因数の和:772

約数の個数: 16

約数和(自身を含む): 22288000

約数和(自身を除く): 3860451

約数列:

[1, 7, 19, 133, 349, 397, 2443, 2779, 6631, 7543, 46417, 52801, 138553, 969871, 2632507, 18427549]

約数ペア:

[(1, 18427549), (7, 2632507), (19, 969871), (133, 138553), (349, 52801), (397, 46417), (2443, 7543), (2779, 6631)]