18845120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:250

約数の個数: 112

約数和(自身を含む): 52669440

約数和(自身を除く): 33824320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 140, 160, 179, 188, 224, 235, 280, 320, 329, 358, 376, 448, 470, 560, 658, 716, 752, 895, 940, 1120, 1253, 1316, 1432, 1504, 1645, 1790, 1880, 2240, 2506, 2632, 2864, 3008, 3290, 3580, 3760, 5012, 5264, 5728, 6265, 6580, 7160, 7520, 8413, 10024, 10528, 11456, 12530, 13160, 14320, 15040, 16826, 20048, 21056, 25060, 26320, 28640, 33652, 40096, 42065, 50120, 52640, 57280, 58891, 67304, 80192, 84130, 100240, 105280, 117782, 134608, 168260, 200480, 235564, 269216, 294455, 336520, 400960, 471128, 538432, 588910, 673040, 942256, 1177820, 1346080, 1884512, 2355640, 2692160, 3769024, 4711280, 9422560, 18845120]

約数ペア:

[(1, 18845120), (2, 9422560), (4, 4711280), (5, 3769024), (7, 2692160), (8, 2355640), (10, 1884512), (14, 1346080), (16, 1177820), (20, 942256), (28, 673040), (32, 588910), (35, 538432), (40, 471128), (47, 400960), (56, 336520), (64, 294455), (70, 269216), (80, 235564), (94, 200480), (112, 168260), (140, 134608), (160, 117782), (179, 105280), (188, 100240), (224, 84130), (235, 80192), (280, 67304), (320, 58891), (329, 57280), (358, 52640), (376, 50120), (448, 42065), (470, 40096), (560, 33652), (658, 28640), (716, 26320), (752, 25060), (895, 21056), (940, 20048), (1120, 16826), (1253, 15040), (1316, 14320), (1432, 13160), (1504, 12530), (1645, 11456), (1790, 10528), (1880, 10024), (2240, 8413), (2506, 7520), (2632, 7160), (2864, 6580), (3008, 6265), (3290, 5728), (3580, 5264), (3760, 5012)]