19967894

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1913}}^1$

素因数の和:2239

約数の個数: 16

約数和(自身を含む): 31833648

約数和(自身を除く): 11865754

約数列:

[1, 2, 17, 34, 307, 614, 1913, 3826, 5219, 10438, 32521, 65042, 587291, 1174582, 9983947, 19967894]

約数ペア:

[(1, 19967894), (2, 9983947), (17, 1174582), (34, 587291), (307, 65042), (614, 32521), (1913, 10438), (3826, 5219)]