18377492

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1559}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 36865920

約数和(自身を除く): 18488428

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1559, 1684, 2947, 3118, 5894, 6236, 10913, 11788, 21826, 43652, 656339, 1312678, 2625356, 4594373, 9188746, 18377492]

約数ペア:

[(1, 18377492), (2, 9188746), (4, 4594373), (7, 2625356), (14, 1312678), (28, 656339), (421, 43652), (842, 21826), (1559, 11788), (1684, 10913), (2947, 6236), (3118, 5894)]