19871340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17431}}^1$

素因数の和:17462

約数の個数: 48

約数和(自身を含む): 58571520

約数和(自身を除く): 38700180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 17431, 34862, 52293, 69724, 87155, 104586, 174310, 209172, 261465, 331189, 348620, 522930, 662378, 993567, 1045860, 1324756, 1655945, 1987134, 3311890, 3974268, 4967835, 6623780, 9935670, 19871340]

約数ペア:

[(1, 19871340), (2, 9935670), (3, 6623780), (4, 4967835), (5, 3974268), (6, 3311890), (10, 1987134), (12, 1655945), (15, 1324756), (19, 1045860), (20, 993567), (30, 662378), (38, 522930), (57, 348620), (60, 331189), (76, 261465), (95, 209172), (114, 174310), (190, 104586), (228, 87155), (285, 69724), (380, 52293), (570, 34862), (1140, 17431)]