19178080

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1789}}^1$

素因数の和:1871

約数の個数: 48

約数和(自身を含む): 46010160

約数和(自身を除く): 26832080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 1789, 2144, 2680, 3578, 5360, 7156, 8945, 10720, 14312, 17890, 28624, 35780, 57248, 71560, 119863, 143120, 239726, 286240, 479452, 599315, 958904, 1198630, 1917808, 2397260, 3835616, 4794520, 9589040, 19178080]

約数ペア:

[(1, 19178080), (2, 9589040), (4, 4794520), (5, 3835616), (8, 2397260), (10, 1917808), (16, 1198630), (20, 958904), (32, 599315), (40, 479452), (67, 286240), (80, 239726), (134, 143120), (160, 119863), (268, 71560), (335, 57248), (536, 35780), (670, 28624), (1072, 17890), (1340, 14312), (1789, 10720), (2144, 8945), (2680, 7156), (3578, 5360)]