19169143

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 23688288

約数和(自身を除く): 4519145

約数列:

[1, 7, 23, 49, 73, 161, 233, 511, 1127, 1631, 1679, 3577, 5359, 11417, 11753, 17009, 37513, 82271, 119063, 262591, 391207, 833441, 2738449, 19169143]

約数ペア:

[(1, 19169143), (7, 2738449), (23, 833441), (49, 391207), (73, 262591), (161, 119063), (233, 82271), (511, 37513), (1127, 17009), (1631, 11753), (1679, 11417), (3577, 5359)]