19210002880

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{984119}}^1$

素因数の和:984197

約数の個数: 56

約数和(自身を含む): 46493765280

約数和(自身を除く): 27283762400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 9760, 19520, 984119, 1968238, 3936476, 4920595, 7872952, 9841190, 15745904, 19682380, 31491808, 39364760, 60031259, 62983616, 78729520, 120062518, 157459040, 240125036, 300156295, 314918080, 480250072, 600312590, 960500144, 1200625180, 1921000288, 2401250360, 3842000576, 4802500720, 9605001440, 19210002880]

約数ペア:

[(1, 19210002880), (2, 9605001440), (4, 4802500720), (5, 3842000576), (8, 2401250360), (10, 1921000288), (16, 1200625180), (20, 960500144), (32, 600312590), (40, 480250072), (61, 314918080), (64, 300156295), (80, 240125036), (122, 157459040), (160, 120062518), (244, 78729520), (305, 62983616), (320, 60031259), (488, 39364760), (610, 31491808), (976, 19682380), (1220, 15745904), (1952, 9841190), (2440, 7872952), (3904, 4920595), (4880, 3936476), (9760, 1968238), (19520, 984119)]