19108960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9187}}^1$

素因数の和:9215

約数の個数: 48

約数和(自身を含む): 48622896

約数和(自身を除く): 29513936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9187, 18374, 36748, 45935, 73496, 91870, 119431, 146992, 183740, 238862, 293984, 367480, 477724, 597155, 734960, 955448, 1194310, 1469920, 1910896, 2388620, 3821792, 4777240, 9554480, 19108960]

約数ペア:

[(1, 19108960), (2, 9554480), (4, 4777240), (5, 3821792), (8, 2388620), (10, 1910896), (13, 1469920), (16, 1194310), (20, 955448), (26, 734960), (32, 597155), (40, 477724), (52, 367480), (65, 293984), (80, 238862), (104, 183740), (130, 146992), (160, 119431), (208, 91870), (260, 73496), (416, 45935), (520, 36748), (1040, 18374), (2080, 9187)]