18866398880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{38903}}^1$

素因数の和:39358

約数の個数: 96

約数和(自身を含む): 51058232064

約数和(自身を除く): 32191833184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 433, 560, 866, 1120, 1732, 2165, 3031, 3464, 4330, 6062, 6928, 8660, 12124, 13856, 15155, 17320, 24248, 30310, 34640, 38903, 48496, 60620, 69280, 77806, 96992, 121240, 155612, 194515, 242480, 272321, 311224, 389030, 484960, 544642, 622448, 778060, 1089284, 1244896, 1361605, 1556120, 2178568, 2723210, 3112240, 4357136, 5446420, 6224480, 8714272, 10892840, 16844999, 21785680, 33689998, 43571360, 67379996, 84224995, 117914993, 134759992, 168449990, 235829986, 269519984, 336899980, 471659972, 539039968, 589574965, 673799960, 943319944, 1179149930, 1347599920, 1886639888, 2358299860, 2695199840, 3773279776, 4716599720, 9433199440, 18866398880]

約数ペア:

[(1, 18866398880), (2, 9433199440), (4, 4716599720), (5, 3773279776), (7, 2695199840), (8, 2358299860), (10, 1886639888), (14, 1347599920), (16, 1179149930), (20, 943319944), (28, 673799960), (32, 589574965), (35, 539039968), (40, 471659972), (56, 336899980), (70, 269519984), (80, 235829986), (112, 168449990), (140, 134759992), (160, 117914993), (224, 84224995), (280, 67379996), (433, 43571360), (560, 33689998), (866, 21785680), (1120, 16844999), (1732, 10892840), (2165, 8714272), (3031, 6224480), (3464, 5446420), (4330, 4357136), (6062, 3112240), (6928, 2723210), (8660, 2178568), (12124, 1556120), (13856, 1361605), (15155, 1244896), (17320, 1089284), (24248, 778060), (30310, 622448), (34640, 544642), (38903, 484960), (48496, 389030), (60620, 311224), (69280, 272321), (77806, 242480), (96992, 194515), (121240, 155612)]