18492943

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 22900320

約数和(自身を除く): 4407377

約数列:

[1, 7, 23, 49, 61, 161, 269, 427, 1127, 1403, 1883, 2989, 6187, 9821, 13181, 16409, 43309, 68747, 114863, 303163, 377407, 804041, 2641849, 18492943]

約数ペア:

[(1, 18492943), (7, 2641849), (23, 804041), (49, 377407), (61, 303163), (161, 114863), (269, 68747), (427, 43309), (1127, 16409), (1403, 13181), (1883, 9821), (2989, 6187)]