19317776

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{2689}}^1$

素因数の和:3146

約数の個数: 20

約数和(自身を含む): 37525500

約数和(自身を除く): 18207724

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 2689, 3592, 5378, 7184, 10756, 21512, 43024, 1207361, 2414722, 4829444, 9658888, 19317776]

約数ペア:

[(1, 19317776), (2, 9658888), (4, 4829444), (8, 2414722), (16, 1207361), (449, 43024), (898, 21512), (1796, 10756), (2689, 7184), (3592, 5378)]