18721248

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2143}}^1$

素因数の和:2176

約数の個数: 96

約数和(自身を含む): 60512256

約数和(自身を除く): 41791008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 78, 84, 91, 96, 104, 112, 156, 168, 182, 208, 224, 273, 312, 336, 364, 416, 546, 624, 672, 728, 1092, 1248, 1456, 2143, 2184, 2912, 4286, 4368, 6429, 8572, 8736, 12858, 15001, 17144, 25716, 27859, 30002, 34288, 45003, 51432, 55718, 60004, 68576, 83577, 90006, 102864, 111436, 120008, 167154, 180012, 195013, 205728, 222872, 240016, 334308, 360024, 390026, 445744, 480032, 585039, 668616, 720048, 780052, 891488, 1170078, 1337232, 1440096, 1560104, 2340156, 2674464, 3120208, 4680312, 6240416, 9360624, 18721248]

約数ペア:

[(1, 18721248), (2, 9360624), (3, 6240416), (4, 4680312), (6, 3120208), (7, 2674464), (8, 2340156), (12, 1560104), (13, 1440096), (14, 1337232), (16, 1170078), (21, 891488), (24, 780052), (26, 720048), (28, 668616), (32, 585039), (39, 480032), (42, 445744), (48, 390026), (52, 360024), (56, 334308), (78, 240016), (84, 222872), (91, 205728), (96, 195013), (104, 180012), (112, 167154), (156, 120008), (168, 111436), (182, 102864), (208, 90006), (224, 83577), (273, 68576), (312, 60004), (336, 55718), (364, 51432), (416, 45003), (546, 34288), (624, 30002), (672, 27859), (728, 25716), (1092, 17144), (1248, 15001), (1456, 12858), (2143, 8736), (2184, 8572), (2912, 6429), (4286, 4368)]