19789110

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2221}}^1$

素因数の和:2251

約数の個数: 80

約数和(自身を含む): 58074192

約数和(自身を除く): 38285082

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 270, 297, 330, 405, 495, 594, 810, 891, 990, 1485, 1782, 2221, 2970, 4442, 4455, 6663, 8910, 11105, 13326, 19989, 22210, 24431, 33315, 39978, 48862, 59967, 66630, 73293, 99945, 119934, 122155, 146586, 179901, 199890, 219879, 244310, 299835, 359802, 366465, 439758, 599670, 659637, 732930, 899505, 1099395, 1319274, 1799010, 1978911, 2198790, 3298185, 3957822, 6596370, 9894555, 19789110]

約数ペア:

[(1, 19789110), (2, 9894555), (3, 6596370), (5, 3957822), (6, 3298185), (9, 2198790), (10, 1978911), (11, 1799010), (15, 1319274), (18, 1099395), (22, 899505), (27, 732930), (30, 659637), (33, 599670), (45, 439758), (54, 366465), (55, 359802), (66, 299835), (81, 244310), (90, 219879), (99, 199890), (110, 179901), (135, 146586), (162, 122155), (165, 119934), (198, 99945), (270, 73293), (297, 66630), (330, 59967), (405, 48862), (495, 39978), (594, 33315), (810, 24431), (891, 22210), (990, 19989), (1485, 13326), (1782, 11105), (2221, 8910), (2970, 6663), (4442, 4455)]