19222720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 112

約数和(自身を含む): 51499008

約数和(自身を除く): 32276288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 127, 160, 172, 176, 215, 220, 254, 320, 344, 352, 430, 440, 473, 508, 635, 688, 704, 860, 880, 946, 1016, 1270, 1376, 1397, 1720, 1760, 1892, 2032, 2365, 2540, 2752, 2794, 3440, 3520, 3784, 4064, 4730, 5080, 5461, 5588, 6880, 6985, 7568, 8128, 9460, 10160, 10922, 11176, 13760, 13970, 15136, 18920, 20320, 21844, 22352, 27305, 27940, 30272, 37840, 40640, 43688, 44704, 54610, 55880, 60071, 75680, 87376, 89408, 109220, 111760, 120142, 151360, 174752, 218440, 223520, 240284, 300355, 349504, 436880, 447040, 480568, 600710, 873760, 961136, 1201420, 1747520, 1922272, 2402840, 3844544, 4805680, 9611360, 19222720]

約数ペア:

[(1, 19222720), (2, 9611360), (4, 4805680), (5, 3844544), (8, 2402840), (10, 1922272), (11, 1747520), (16, 1201420), (20, 961136), (22, 873760), (32, 600710), (40, 480568), (43, 447040), (44, 436880), (55, 349504), (64, 300355), (80, 240284), (86, 223520), (88, 218440), (110, 174752), (127, 151360), (160, 120142), (172, 111760), (176, 109220), (215, 89408), (220, 87376), (254, 75680), (320, 60071), (344, 55880), (352, 54610), (430, 44704), (440, 43688), (473, 40640), (508, 37840), (635, 30272), (688, 27940), (704, 27305), (860, 22352), (880, 21844), (946, 20320), (1016, 18920), (1270, 15136), (1376, 13970), (1397, 13760), (1720, 11176), (1760, 10922), (1892, 10160), (2032, 9460), (2365, 8128), (2540, 7568), (2752, 6985), (2794, 6880), (3440, 5588), (3520, 5461), (3784, 5080), (4064, 4730)]