17919680

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1931}}^1$

素因数の和:1977

約数の個数: 56

約数和(自身を含む): 44165520

約数和(自身を除く): 26245840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 1931, 2320, 3862, 4640, 7724, 9280, 9655, 15448, 19310, 30896, 38620, 55999, 61792, 77240, 111998, 123584, 154480, 223996, 279995, 308960, 447992, 559990, 617920, 895984, 1119980, 1791968, 2239960, 3583936, 4479920, 8959840, 17919680]

約数ペア:

[(1, 17919680), (2, 8959840), (4, 4479920), (5, 3583936), (8, 2239960), (10, 1791968), (16, 1119980), (20, 895984), (29, 617920), (32, 559990), (40, 447992), (58, 308960), (64, 279995), (80, 223996), (116, 154480), (145, 123584), (160, 111998), (232, 77240), (290, 61792), (320, 55999), (464, 38620), (580, 30896), (928, 19310), (1160, 15448), (1856, 9655), (1931, 9280), (2320, 7724), (3862, 4640)]