19568967

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 31051776

約数和(自身を除く): 11482809

約数列:

[1, 3, 11, 31, 33, 37, 47, 93, 111, 121, 141, 341, 363, 407, 517, 1023, 1147, 1221, 1457, 1551, 1739, 3441, 3751, 4371, 4477, 5217, 5687, 11253, 12617, 13431, 16027, 17061, 19129, 37851, 48081, 53909, 57387, 138787, 161727, 176297, 210419, 416361, 528891, 592999, 631257, 1778997, 6522989, 19568967]

約数ペア:

[(1, 19568967), (3, 6522989), (11, 1778997), (31, 631257), (33, 592999), (37, 528891), (47, 416361), (93, 210419), (111, 176297), (121, 161727), (141, 138787), (341, 57387), (363, 53909), (407, 48081), (517, 37851), (1023, 19129), (1147, 17061), (1221, 16027), (1457, 13431), (1551, 12617), (1739, 11253), (3441, 5687), (3751, 5217), (4371, 4477)]