12919418

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:673

約数の個数: 16

約数和(自身を含む): 19754280

約数和(自身を除く): 6834862

約数列:

[1, 2, 89, 178, 181, 362, 401, 802, 16109, 32218, 35689, 71378, 72581, 145162, 6459709, 12919418]

約数ペア:

[(1, 12919418), (2, 6459709), (89, 145162), (178, 72581), (181, 71378), (362, 35689), (401, 32218), (802, 16109)]