19273768

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 37208160

約数和(自身を除く): 17934392

約数列:

[1, 2, 4, 8, 53, 106, 131, 212, 262, 347, 424, 524, 694, 1048, 1388, 2776, 6943, 13886, 18391, 27772, 36782, 45457, 55544, 73564, 90914, 147128, 181828, 363656, 2409221, 4818442, 9636884, 19273768]

約数ペア:

[(1, 19273768), (2, 9636884), (4, 4818442), (8, 2409221), (53, 363656), (106, 181828), (131, 147128), (212, 90914), (262, 73564), (347, 55544), (424, 45457), (524, 36782), (694, 27772), (1048, 18391), (1388, 13886), (2776, 6943)]