19009968640

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{19697}}^1$

素因数の和:19762

約数の個数: 160

約数和(自身を含む): 50780656080

約数和(自身を除く): 31770687440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 128, 130, 145, 160, 208, 232, 256, 260, 290, 320, 377, 416, 464, 512, 520, 580, 640, 754, 832, 928, 1040, 1160, 1280, 1508, 1664, 1856, 1885, 2080, 2320, 2560, 3016, 3328, 3712, 3770, 4160, 4640, 6032, 6656, 7424, 7540, 8320, 9280, 12064, 14848, 15080, 16640, 18560, 19697, 24128, 30160, 33280, 37120, 39394, 48256, 60320, 74240, 78788, 96512, 98485, 120640, 157576, 193024, 196970, 241280, 256061, 315152, 393940, 482560, 512122, 571213, 630304, 787880, 965120, 1024244, 1142426, 1260608, 1280305, 1575760, 2048488, 2284852, 2521216, 2560610, 2856065, 3151520, 4096976, 4569704, 5042432, 5121220, 5712130, 6303040, 7425769, 8193952, 9139408, 10084864, 10242440, 11424260, 12606080, 14851538, 16387904, 18278816, 20484880, 22848520, 25212160, 29703076, 32775808, 36557632, 37128845, 40969760, 45697040, 50424320, 59406152, 65551616, 73115264, 74257690, 81939520, 91394080, 118812304, 131103232, 146230528, 148515380, 163879040, 182788160, 237624608, 292461056, 297030760, 327758080, 365576320, 475249216, 594061520, 655516160, 731152640, 950498432, 1188123040, 1462305280, 1900996864, 2376246080, 3801993728, 4752492160, 9504984320, 19009968640]

約数ペア:

[(1, 19009968640), (2, 9504984320), (4, 4752492160), (5, 3801993728), (8, 2376246080), (10, 1900996864), (13, 1462305280), (16, 1188123040), (20, 950498432), (26, 731152640), (29, 655516160), (32, 594061520), (40, 475249216), (52, 365576320), (58, 327758080), (64, 297030760), (65, 292461056), (80, 237624608), (104, 182788160), (116, 163879040), (128, 148515380), (130, 146230528), (145, 131103232), (160, 118812304), (208, 91394080), (232, 81939520), (256, 74257690), (260, 73115264), (290, 65551616), (320, 59406152), (377, 50424320), (416, 45697040), (464, 40969760), (512, 37128845), (520, 36557632), (580, 32775808), (640, 29703076), (754, 25212160), (832, 22848520), (928, 20484880), (1040, 18278816), (1160, 16387904), (1280, 14851538), (1508, 12606080), (1664, 11424260), (1856, 10242440), (1885, 10084864), (2080, 9139408), (2320, 8193952), (2560, 7425769), (3016, 6303040), (3328, 5712130), (3712, 5121220), (3770, 5042432), (4160, 4569704), (4640, 4096976), (6032, 3151520), (6656, 2856065), (7424, 2560610), (7540, 2521216), (8320, 2284852), (9280, 2048488), (12064, 1575760), (14848, 1280305), (15080, 1260608), (16640, 1142426), (18560, 1024244), (19697, 965120), (24128, 787880), (30160, 630304), (33280, 571213), (37120, 512122), (39394, 482560), (48256, 393940), (60320, 315152), (74240, 256061), (78788, 241280), (96512, 196970), (98485, 193024), (120640, 157576)]