18791069

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 22811328

約数和(自身を除く): 4020259

約数列:

[1, 11, 17, 23, 187, 253, 257, 289, 391, 2827, 3179, 4301, 4369, 5911, 6647, 48059, 65021, 73117, 74273, 100487, 817003, 1105357, 1708279, 18791069]

約数ペア:

[(1, 18791069), (11, 1708279), (17, 1105357), (23, 817003), (187, 100487), (253, 74273), (257, 73117), (289, 65021), (391, 48059), (2827, 6647), (3179, 5911), (4301, 4369)]