19428868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1693}}^1$

素因数の和:1867

約数の個数: 24

約数和(自身を含む): 36048320

約数和(自身を除く): 16619452

約数列:

[1, 2, 4, 19, 38, 76, 151, 302, 604, 1693, 2869, 3386, 5738, 6772, 11476, 32167, 64334, 128668, 255643, 511286, 1022572, 4857217, 9714434, 19428868]

約数ペア:

[(1, 19428868), (2, 9714434), (4, 4857217), (19, 1022572), (38, 511286), (76, 255643), (151, 128668), (302, 64334), (604, 32167), (1693, 11476), (2869, 6772), (3386, 5738)]