17818020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8999}}^1$

素因数の和:9025

約数の個数: 72

約数和(自身を含む): 58968000

約数和(自身を除く): 41149980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 8999, 17998, 26997, 35996, 44995, 53994, 80991, 89990, 98989, 107988, 134985, 161982, 179980, 197978, 269970, 296967, 323964, 395956, 404955, 494945, 539940, 593934, 809910, 890901, 989890, 1187868, 1484835, 1619820, 1781802, 1979780, 2969670, 3563604, 4454505, 5939340, 8909010, 17818020]

約数ペア:

[(1, 17818020), (2, 8909010), (3, 5939340), (4, 4454505), (5, 3563604), (6, 2969670), (9, 1979780), (10, 1781802), (11, 1619820), (12, 1484835), (15, 1187868), (18, 989890), (20, 890901), (22, 809910), (30, 593934), (33, 539940), (36, 494945), (44, 404955), (45, 395956), (55, 323964), (60, 296967), (66, 269970), (90, 197978), (99, 179980), (110, 161982), (132, 134985), (165, 107988), (180, 98989), (198, 89990), (220, 80991), (330, 53994), (396, 44995), (495, 35996), (660, 26997), (990, 17998), (1980, 8999)]