2019019678

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{138917}}^1$

素因数の和:138988

約数の個数: 24

約数和(自身を含む): 3355703208

約数和(自身を除く): 1336683530

約数列:

[1, 2, 13, 26, 43, 86, 169, 338, 559, 1118, 7267, 14534, 138917, 277834, 1805921, 3611842, 5973431, 11946862, 23476973, 46953946, 77654603, 155309206, 1009509839, 2019019678]

約数ペア:

[(1, 2019019678), (2, 1009509839), (13, 155309206), (26, 77654603), (43, 46953946), (86, 23476973), (169, 11946862), (338, 5973431), (559, 3611842), (1118, 1805921), (7267, 277834), (14534, 138917)]