18939456

素因数分解:

$2^6\times 3^2\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:400

約数の個数: 84

約数和(自身を含む): 54918864

約数和(自身を除く): 35979408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 131, 144, 192, 251, 262, 288, 393, 502, 524, 576, 753, 786, 1004, 1048, 1179, 1506, 1572, 2008, 2096, 2259, 2358, 3012, 3144, 4016, 4192, 4518, 4716, 6024, 6288, 8032, 8384, 9036, 9432, 12048, 12576, 16064, 18072, 18864, 24096, 25152, 32881, 36144, 37728, 48192, 65762, 72288, 75456, 98643, 131524, 144576, 197286, 263048, 295929, 394572, 526096, 591858, 789144, 1052192, 1183716, 1578288, 2104384, 2367432, 3156576, 4734864, 6313152, 9469728, 18939456]

約数ペア:

[(1, 18939456), (2, 9469728), (3, 6313152), (4, 4734864), (6, 3156576), (8, 2367432), (9, 2104384), (12, 1578288), (16, 1183716), (18, 1052192), (24, 789144), (32, 591858), (36, 526096), (48, 394572), (64, 295929), (72, 263048), (96, 197286), (131, 144576), (144, 131524), (192, 98643), (251, 75456), (262, 72288), (288, 65762), (393, 48192), (502, 37728), (524, 36144), (576, 32881), (753, 25152), (786, 24096), (1004, 18864), (1048, 18072), (1179, 16064), (1506, 12576), (1572, 12048), (2008, 9432), (2096, 9036), (2259, 8384), (2358, 8032), (3012, 6288), (3144, 6024), (4016, 4716), (4192, 4518)]