19859520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:308

約数の個数: 112

約数和(自身を含む): 63934848

約数和(自身を除く): 44075328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 137, 151, 160, 192, 240, 274, 302, 320, 411, 453, 480, 548, 604, 685, 755, 822, 906, 960, 1096, 1208, 1370, 1510, 1644, 1812, 2055, 2192, 2265, 2416, 2740, 3020, 3288, 3624, 4110, 4384, 4530, 4832, 5480, 6040, 6576, 7248, 8220, 8768, 9060, 9664, 10960, 12080, 13152, 14496, 16440, 18120, 20687, 21920, 24160, 26304, 28992, 32880, 36240, 41374, 43840, 48320, 62061, 65760, 72480, 82748, 103435, 124122, 131520, 144960, 165496, 206870, 248244, 310305, 330992, 413740, 496488, 620610, 661984, 827480, 992976, 1241220, 1323968, 1654960, 1985952, 2482440, 3309920, 3971904, 4964880, 6619840, 9929760, 19859520]

約数ペア:

[(1, 19859520), (2, 9929760), (3, 6619840), (4, 4964880), (5, 3971904), (6, 3309920), (8, 2482440), (10, 1985952), (12, 1654960), (15, 1323968), (16, 1241220), (20, 992976), (24, 827480), (30, 661984), (32, 620610), (40, 496488), (48, 413740), (60, 330992), (64, 310305), (80, 248244), (96, 206870), (120, 165496), (137, 144960), (151, 131520), (160, 124122), (192, 103435), (240, 82748), (274, 72480), (302, 65760), (320, 62061), (411, 48320), (453, 43840), (480, 41374), (548, 36240), (604, 32880), (685, 28992), (755, 26304), (822, 24160), (906, 21920), (960, 20687), (1096, 18120), (1208, 16440), (1370, 14496), (1510, 13152), (1644, 12080), (1812, 10960), (2055, 9664), (2192, 9060), (2265, 8768), (2416, 8220), (2740, 7248), (3020, 6576), (3288, 6040), (3624, 5480), (4110, 4832), (4384, 4530)]