20181504

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{1877}}^1$

素因数の和:1905

約数の個数: 80

約数和(自身を含む): 61478208

約数和(自身を除く): 41296704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1344, 1536, 1792, 1877, 2688, 3584, 3754, 5376, 5631, 7508, 10752, 11262, 13139, 15016, 22524, 26278, 30032, 39417, 45048, 52556, 60064, 78834, 90096, 105112, 120128, 157668, 180192, 210224, 240256, 315336, 360384, 420448, 480512, 630672, 720768, 840896, 961024, 1261344, 1441536, 1681792, 2522688, 2883072, 3363584, 5045376, 6727168, 10090752, 20181504]

約数ペア:

[(1, 20181504), (2, 10090752), (3, 6727168), (4, 5045376), (6, 3363584), (7, 2883072), (8, 2522688), (12, 1681792), (14, 1441536), (16, 1261344), (21, 961024), (24, 840896), (28, 720768), (32, 630672), (42, 480512), (48, 420448), (56, 360384), (64, 315336), (84, 240256), (96, 210224), (112, 180192), (128, 157668), (168, 120128), (192, 105112), (224, 90096), (256, 78834), (336, 60064), (384, 52556), (448, 45048), (512, 39417), (672, 30032), (768, 26278), (896, 22524), (1344, 15016), (1536, 13139), (1792, 11262), (1877, 10752), (2688, 7508), (3584, 5631), (3754, 5376)]