19351570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:635

約数の個数: 48

約数和(自身を含む): 41150808

約数和(自身を除く): 21799238

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 73, 98, 146, 245, 365, 490, 511, 541, 730, 1022, 1082, 2555, 2705, 3577, 3787, 5110, 5410, 7154, 7574, 17885, 18935, 26509, 35770, 37870, 39493, 53018, 78986, 132545, 197465, 265090, 276451, 394930, 552902, 1382255, 1935157, 2764510, 3870314, 9675785, 19351570]

約数ペア:

[(1, 19351570), (2, 9675785), (5, 3870314), (7, 2764510), (10, 1935157), (14, 1382255), (35, 552902), (49, 394930), (70, 276451), (73, 265090), (98, 197465), (146, 132545), (245, 78986), (365, 53018), (490, 39493), (511, 37870), (541, 35770), (730, 26509), (1022, 18935), (1082, 17885), (2555, 7574), (2705, 7154), (3577, 5410), (3787, 5110)]