19164160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:241

約数の個数: 88

約数和(自身を含む): 48636720

約数和(自身を除く): 29472560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 197, 256, 304, 320, 380, 394, 512, 608, 640, 760, 788, 985, 1024, 1216, 1280, 1520, 1576, 1970, 2432, 2560, 3040, 3152, 3743, 3940, 4864, 5120, 6080, 6304, 7486, 7880, 9728, 12160, 12608, 14972, 15760, 18715, 19456, 24320, 25216, 29944, 31520, 37430, 48640, 50432, 59888, 63040, 74860, 97280, 100864, 119776, 126080, 149720, 201728, 239552, 252160, 299440, 479104, 504320, 598880, 958208, 1008640, 1197760, 1916416, 2395520, 3832832, 4791040, 9582080, 19164160]

約数ペア:

[(1, 19164160), (2, 9582080), (4, 4791040), (5, 3832832), (8, 2395520), (10, 1916416), (16, 1197760), (19, 1008640), (20, 958208), (32, 598880), (38, 504320), (40, 479104), (64, 299440), (76, 252160), (80, 239552), (95, 201728), (128, 149720), (152, 126080), (160, 119776), (190, 100864), (197, 97280), (256, 74860), (304, 63040), (320, 59888), (380, 50432), (394, 48640), (512, 37430), (608, 31520), (640, 29944), (760, 25216), (788, 24320), (985, 19456), (1024, 18715), (1216, 15760), (1280, 14972), (1520, 12608), (1576, 12160), (1970, 9728), (2432, 7880), (2560, 7486), (3040, 6304), (3152, 6080), (3743, 5120), (3940, 4864)]