18698680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 56609280

約数和(自身を除く): 37910600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 467, 520, 572, 616, 715, 728, 770, 910, 934, 1001, 1144, 1430, 1540, 1820, 1868, 2002, 2335, 2860, 3080, 3269, 3640, 3736, 4004, 4670, 5005, 5137, 5720, 6071, 6538, 8008, 9340, 10010, 10274, 12142, 13076, 16345, 18680, 20020, 20548, 24284, 25685, 26152, 30355, 32690, 35959, 40040, 41096, 42497, 48568, 51370, 60710, 65380, 66781, 71918, 84994, 102740, 121420, 130760, 133562, 143836, 169988, 179795, 205480, 212485, 242840, 267124, 287672, 333905, 339976, 359590, 424970, 467467, 534248, 667810, 719180, 849940, 934934, 1335620, 1438360, 1699880, 1869868, 2337335, 2671240, 3739736, 4674670, 9349340, 18698680]

約数ペア:

[(1, 18698680), (2, 9349340), (4, 4674670), (5, 3739736), (7, 2671240), (8, 2337335), (10, 1869868), (11, 1699880), (13, 1438360), (14, 1335620), (20, 934934), (22, 849940), (26, 719180), (28, 667810), (35, 534248), (40, 467467), (44, 424970), (52, 359590), (55, 339976), (56, 333905), (65, 287672), (70, 267124), (77, 242840), (88, 212485), (91, 205480), (104, 179795), (110, 169988), (130, 143836), (140, 133562), (143, 130760), (154, 121420), (182, 102740), (220, 84994), (260, 71918), (280, 66781), (286, 65380), (308, 60710), (364, 51370), (385, 48568), (440, 42497), (455, 41096), (467, 40040), (520, 35959), (572, 32690), (616, 30355), (715, 26152), (728, 25685), (770, 24284), (910, 20548), (934, 20020), (1001, 18680), (1144, 16345), (1430, 13076), (1540, 12142), (1820, 10274), (1868, 10010), (2002, 9340), (2335, 8008), (2860, 6538), (3080, 6071), (3269, 5720), (3640, 5137), (3736, 5005), (4004, 4670)]