18945929

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 20427264

約数和(自身を除く): 1481335

約数列:

[1, 31, 43, 61, 233, 1333, 1891, 2623, 7223, 10019, 14213, 81313, 310589, 440603, 611159, 18945929]

約数ペア:

[(1, 18945929), (31, 611159), (43, 440603), (61, 310589), (233, 81313), (1333, 14213), (1891, 10019), (2623, 7223)]