19138526

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20231}}^1$

素因数の和:20287

約数の個数: 16

約数和(自身を含む): 32047488

約数和(自身を除く): 12908962

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20231, 40462, 222541, 445082, 869933, 1739866, 9569263, 19138526]

約数ペア:

[(1, 19138526), (2, 9569263), (11, 1739866), (22, 869933), (43, 445082), (86, 222541), (473, 40462), (946, 20231)]