19218880

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 112

約数和(自身を含む): 50292000

約数和(自身を除く): 31073120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 76, 80, 95, 109, 116, 145, 152, 160, 190, 218, 232, 290, 304, 320, 380, 436, 464, 545, 551, 580, 608, 760, 872, 928, 1090, 1102, 1160, 1216, 1520, 1744, 1856, 2071, 2180, 2204, 2320, 2755, 3040, 3161, 3488, 4142, 4360, 4408, 4640, 5510, 6080, 6322, 6976, 8284, 8720, 8816, 9280, 10355, 11020, 12644, 15805, 16568, 17440, 17632, 20710, 22040, 25288, 31610, 33136, 34880, 35264, 41420, 44080, 50576, 60059, 63220, 66272, 82840, 88160, 101152, 120118, 126440, 132544, 165680, 176320, 202304, 240236, 252880, 300295, 331360, 480472, 505760, 600590, 662720, 960944, 1011520, 1201180, 1921888, 2402360, 3843776, 4804720, 9609440, 19218880]

約数ペア:

[(1, 19218880), (2, 9609440), (4, 4804720), (5, 3843776), (8, 2402360), (10, 1921888), (16, 1201180), (19, 1011520), (20, 960944), (29, 662720), (32, 600590), (38, 505760), (40, 480472), (58, 331360), (64, 300295), (76, 252880), (80, 240236), (95, 202304), (109, 176320), (116, 165680), (145, 132544), (152, 126440), (160, 120118), (190, 101152), (218, 88160), (232, 82840), (290, 66272), (304, 63220), (320, 60059), (380, 50576), (436, 44080), (464, 41420), (545, 35264), (551, 34880), (580, 33136), (608, 31610), (760, 25288), (872, 22040), (928, 20710), (1090, 17632), (1102, 17440), (1160, 16568), (1216, 15805), (1520, 12644), (1744, 11020), (1856, 10355), (2071, 9280), (2180, 8816), (2204, 8720), (2320, 8284), (2755, 6976), (3040, 6322), (3161, 6080), (3488, 5510), (4142, 4640), (4360, 4408)]