19933440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 66225600

約数和(自身を除く): 46292160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 128, 145, 160, 174, 179, 192, 232, 240, 256, 290, 320, 348, 358, 384, 435, 464, 480, 537, 580, 640, 696, 716, 768, 870, 895, 928, 960, 1074, 1160, 1280, 1392, 1432, 1740, 1790, 1856, 1920, 2148, 2320, 2685, 2784, 2864, 3480, 3580, 3712, 3840, 4296, 4640, 5191, 5370, 5568, 5728, 6960, 7160, 7424, 8592, 9280, 10382, 10740, 11136, 11456, 13920, 14320, 15573, 17184, 18560, 20764, 21480, 22272, 22912, 25955, 27840, 28640, 31146, 34368, 37120, 41528, 42960, 45824, 51910, 55680, 57280, 62292, 68736, 77865, 83056, 85920, 103820, 111360, 114560, 124584, 137472, 155730, 166112, 171840, 207640, 229120, 249168, 311460, 332224, 343680, 415280, 498336, 622920, 664448, 687360, 830560, 996672, 1245840, 1328896, 1661120, 1993344, 2491680, 3322240, 3986688, 4983360, 6644480, 9966720, 19933440]

約数ペア:

[(1, 19933440), (2, 9966720), (3, 6644480), (4, 4983360), (5, 3986688), (6, 3322240), (8, 2491680), (10, 1993344), (12, 1661120), (15, 1328896), (16, 1245840), (20, 996672), (24, 830560), (29, 687360), (30, 664448), (32, 622920), (40, 498336), (48, 415280), (58, 343680), (60, 332224), (64, 311460), (80, 249168), (87, 229120), (96, 207640), (116, 171840), (120, 166112), (128, 155730), (145, 137472), (160, 124584), (174, 114560), (179, 111360), (192, 103820), (232, 85920), (240, 83056), (256, 77865), (290, 68736), (320, 62292), (348, 57280), (358, 55680), (384, 51910), (435, 45824), (464, 42960), (480, 41528), (537, 37120), (580, 34368), (640, 31146), (696, 28640), (716, 27840), (768, 25955), (870, 22912), (895, 22272), (928, 21480), (960, 20764), (1074, 18560), (1160, 17184), (1280, 15573), (1392, 14320), (1432, 13920), (1740, 11456), (1790, 11136), (1856, 10740), (1920, 10382), (2148, 9280), (2320, 8592), (2685, 7424), (2784, 7160), (2864, 6960), (3480, 5728), (3580, 5568), (3712, 5370), (3840, 5191), (4296, 4640)]