19918880928

素因数分解:

$2^5\times 3^2\times {\mathrm{223}}^1\times {\mathrm{331}}^1\times {\mathrm{937}}^1$

素因数の和:1507

約数の個数: 144

約数和(自身を含む): 57131133696

約数和(自身を除く): 37212252768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 223, 288, 331, 446, 662, 669, 892, 937, 993, 1324, 1338, 1784, 1874, 1986, 2007, 2648, 2676, 2811, 2979, 3568, 3748, 3972, 4014, 5296, 5352, 5622, 5958, 7136, 7496, 7944, 8028, 8433, 10592, 10704, 11244, 11916, 14992, 15888, 16056, 16866, 21408, 22488, 23832, 29984, 31776, 32112, 33732, 44976, 47664, 64224, 67464, 73813, 89952, 95328, 134928, 147626, 208951, 221439, 269856, 295252, 310147, 417902, 442878, 590504, 620294, 626853, 664317, 835804, 885756, 930441, 1181008, 1240588, 1253706, 1328634, 1671608, 1771512, 1860882, 1880559, 2362016, 2481176, 2507412, 2657268, 2791323, 3343216, 3543024, 3721764, 3761118, 4962352, 5014824, 5314536, 5582646, 6686432, 7086048, 7443528, 7522236, 9924704, 10029648, 10629072, 11165292, 14887056, 15044472, 20059296, 21258144, 22330584, 29774112, 30088944, 44661168, 60177888, 69162781, 89322336, 138325562, 207488343, 276651124, 414976686, 553302248, 622465029, 829953372, 1106604496, 1244930058, 1659906744, 2213208992, 2489860116, 3319813488, 4979720232, 6639626976, 9959440464, 19918880928]

約数ペア:

[(1, 19918880928), (2, 9959440464), (3, 6639626976), (4, 4979720232), (6, 3319813488), (8, 2489860116), (9, 2213208992), (12, 1659906744), (16, 1244930058), (18, 1106604496), (24, 829953372), (32, 622465029), (36, 553302248), (48, 414976686), (72, 276651124), (96, 207488343), (144, 138325562), (223, 89322336), (288, 69162781), (331, 60177888), (446, 44661168), (662, 30088944), (669, 29774112), (892, 22330584), (937, 21258144), (993, 20059296), (1324, 15044472), (1338, 14887056), (1784, 11165292), (1874, 10629072), (1986, 10029648), (2007, 9924704), (2648, 7522236), (2676, 7443528), (2811, 7086048), (2979, 6686432), (3568, 5582646), (3748, 5314536), (3972, 5014824), (4014, 4962352), (5296, 3761118), (5352, 3721764), (5622, 3543024), (5958, 3343216), (7136, 2791323), (7496, 2657268), (7944, 2507412), (8028, 2481176), (8433, 2362016), (10592, 1880559), (10704, 1860882), (11244, 1771512), (11916, 1671608), (14992, 1328634), (15888, 1253706), (16056, 1240588), (16866, 1181008), (21408, 930441), (22488, 885756), (23832, 835804), (29984, 664317), (31776, 626853), (32112, 620294), (33732, 590504), (44976, 442878), (47664, 417902), (64224, 310147), (67464, 295252), (73813, 269856), (89952, 221439), (95328, 208951), (134928, 147626)]