19875130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{643}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 39227328

約数和(自身を除く): 19352198

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 281, 562, 643, 1286, 1405, 2810, 3091, 3215, 6182, 6430, 7073, 14146, 15455, 30910, 35365, 70730, 180683, 361366, 903415, 1806830, 1987513, 3975026, 9937565, 19875130]

約数ペア:

[(1, 19875130), (2, 9937565), (5, 3975026), (10, 1987513), (11, 1806830), (22, 903415), (55, 361366), (110, 180683), (281, 70730), (562, 35365), (643, 30910), (1286, 15455), (1405, 14146), (2810, 7073), (3091, 6430), (3215, 6182)]