18875901

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{9377}}^1$

素因数の和:9452

約数の個数: 16

約数和(自身を含む): 27908928

約数和(自身を除く): 9033027

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 9377, 28131, 103147, 309441, 571997, 1715991, 6291967, 18875901]

約数ペア:

[(1, 18875901), (3, 6291967), (11, 1715991), (33, 571997), (61, 309441), (183, 103147), (671, 28131), (2013, 9377)]