18470760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1999}}^1$

素因数の和:2031

約数の個数: 128

約数和(自身を含む): 69120000

約数和(自身を除く): 50649240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 1999, 2310, 3080, 3998, 4620, 5997, 7996, 9240, 9995, 11994, 13993, 15992, 19990, 21989, 23988, 27986, 29985, 39980, 41979, 43978, 47976, 55972, 59970, 65967, 69965, 79960, 83958, 87956, 109945, 111944, 119940, 131934, 139930, 153923, 167916, 175912, 209895, 219890, 239880, 263868, 279860, 307846, 329835, 335832, 419790, 439780, 461769, 527736, 559720, 615692, 659670, 769615, 839580, 879560, 923538, 1231384, 1319340, 1539230, 1679160, 1847076, 2308845, 2638680, 3078460, 3694152, 4617690, 6156920, 9235380, 18470760]

約数ペア:

[(1, 18470760), (2, 9235380), (3, 6156920), (4, 4617690), (5, 3694152), (6, 3078460), (7, 2638680), (8, 2308845), (10, 1847076), (11, 1679160), (12, 1539230), (14, 1319340), (15, 1231384), (20, 923538), (21, 879560), (22, 839580), (24, 769615), (28, 659670), (30, 615692), (33, 559720), (35, 527736), (40, 461769), (42, 439780), (44, 419790), (55, 335832), (56, 329835), (60, 307846), (66, 279860), (70, 263868), (77, 239880), (84, 219890), (88, 209895), (105, 175912), (110, 167916), (120, 153923), (132, 139930), (140, 131934), (154, 119940), (165, 111944), (168, 109945), (210, 87956), (220, 83958), (231, 79960), (264, 69965), (280, 65967), (308, 59970), (330, 55972), (385, 47976), (420, 43978), (440, 41979), (462, 39980), (616, 29985), (660, 27986), (770, 23988), (840, 21989), (924, 19990), (1155, 15992), (1320, 13993), (1540, 11994), (1848, 9995), (1999, 9240), (2310, 7996), (3080, 5997), (3998, 4620)]