18291840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{1361}}^1$

素因数の和:1390

約数の個数: 128

約数和(自身を含む): 66683520

約数和(自身を除く): 48391680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1361, 1680, 1920, 2240, 2688, 2722, 3360, 4083, 4480, 5444, 6720, 6805, 8166, 9527, 10888, 13440, 13610, 16332, 19054, 20415, 21776, 27220, 28581, 32664, 38108, 40830, 43552, 47635, 54440, 57162, 65328, 76216, 81660, 87104, 95270, 108880, 114324, 130656, 142905, 152432, 163320, 174208, 190540, 217760, 228648, 261312, 285810, 304864, 326640, 381080, 435520, 457296, 522624, 571620, 609728, 653280, 762160, 871040, 914592, 1143240, 1219456, 1306560, 1524320, 1829184, 2286480, 2613120, 3048640, 3658368, 4572960, 6097280, 9145920, 18291840]

約数ペア:

[(1, 18291840), (2, 9145920), (3, 6097280), (4, 4572960), (5, 3658368), (6, 3048640), (7, 2613120), (8, 2286480), (10, 1829184), (12, 1524320), (14, 1306560), (15, 1219456), (16, 1143240), (20, 914592), (21, 871040), (24, 762160), (28, 653280), (30, 609728), (32, 571620), (35, 522624), (40, 457296), (42, 435520), (48, 381080), (56, 326640), (60, 304864), (64, 285810), (70, 261312), (80, 228648), (84, 217760), (96, 190540), (105, 174208), (112, 163320), (120, 152432), (128, 142905), (140, 130656), (160, 114324), (168, 108880), (192, 95270), (210, 87104), (224, 81660), (240, 76216), (280, 65328), (320, 57162), (336, 54440), (384, 47635), (420, 43552), (448, 40830), (480, 38108), (560, 32664), (640, 28581), (672, 27220), (840, 21776), (896, 20415), (960, 19054), (1120, 16332), (1344, 13610), (1361, 13440), (1680, 10888), (1920, 9527), (2240, 8166), (2688, 6805), (2722, 6720), (3360, 5444), (4083, 4480)]