19800253

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1116

約数の個数: 16

約数和(自身を含む): 22663872

約数和(自身を除く): 2863619

約数列:

[1, 11, 41, 43, 451, 473, 1021, 1763, 11231, 19393, 41861, 43903, 460471, 482933, 1800023, 19800253]

約数ペア:

[(1, 19800253), (11, 1800023), (41, 482933), (43, 460471), (451, 43903), (473, 41861), (1021, 19393), (1763, 11231)]