19961444

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{353}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 35722848

約数和(自身を除く): 15761404

約数列:

[1, 2, 4, 67, 134, 211, 268, 353, 422, 706, 844, 1412, 14137, 23651, 28274, 47302, 56548, 74483, 94604, 148966, 297932, 4990361, 9980722, 19961444]

約数ペア:

[(1, 19961444), (2, 9980722), (4, 4990361), (67, 297932), (134, 148966), (211, 94604), (268, 74483), (353, 56548), (422, 47302), (706, 28274), (844, 23651), (1412, 14137)]