19053080

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1993}}^1$

素因数の和:2243

約数の個数: 32

約数和(自身を含む): 43070400

約数和(自身を除く): 24017320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 1993, 2390, 3986, 4780, 7972, 9560, 9965, 15944, 19930, 39860, 79720, 476327, 952654, 1905308, 2381635, 3810616, 4763270, 9526540, 19053080]

約数ペア:

[(1, 19053080), (2, 9526540), (4, 4763270), (5, 3810616), (8, 2381635), (10, 1905308), (20, 952654), (40, 476327), (239, 79720), (478, 39860), (956, 19930), (1195, 15944), (1912, 9965), (1993, 9560), (2390, 7972), (3986, 4780)]