19803376

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{1913}}^1$

素因数の和:2568

約数の個数: 20

約数和(自身を含む): 38448432

約数和(自身を除く): 18645056

約数列:

[1, 2, 4, 8, 16, 647, 1294, 1913, 2588, 3826, 5176, 7652, 10352, 15304, 30608, 1237711, 2475422, 4950844, 9901688, 19803376]

約数ペア:

[(1, 19803376), (2, 9901688), (4, 4950844), (8, 2475422), (16, 1237711), (647, 30608), (1294, 15304), (1913, 10352), (2588, 7652), (3826, 5176)]