19909564

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{523}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 36151808

約数和(自身を除く): 16242244

約数列:

[1, 2, 4, 31, 62, 124, 307, 523, 614, 1046, 1228, 2092, 9517, 16213, 19034, 32426, 38068, 64852, 160561, 321122, 642244, 4977391, 9954782, 19909564]

約数ペア:

[(1, 19909564), (2, 9954782), (4, 4977391), (31, 642244), (62, 321122), (124, 160561), (307, 64852), (523, 38068), (614, 32426), (1046, 19034), (1228, 16213), (2092, 9517)]