18919052

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{563}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 34363392

約数和(自身を除く): 15444340

約数列:

[1, 2, 4, 31, 62, 124, 271, 542, 563, 1084, 1126, 2252, 8401, 16802, 17453, 33604, 34906, 69812, 152573, 305146, 610292, 4729763, 9459526, 18919052]

約数ペア:

[(1, 18919052), (2, 9459526), (4, 4729763), (31, 610292), (62, 305146), (124, 152573), (271, 69812), (542, 34906), (563, 33604), (1084, 17453), (1126, 16802), (2252, 8401)]