19940195

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1433}}^1$

素因数の和:1483

約数の個数: 24

約数和(自身を含む): 27463968

約数和(自身を除く): 7523773

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 1433, 2783, 7165, 13915, 15763, 32959, 78815, 164795, 173393, 362549, 866965, 1812745, 3988039, 19940195]

約数ペア:

[(1, 19940195), (5, 3988039), (11, 1812745), (23, 866965), (55, 362549), (115, 173393), (121, 164795), (253, 78815), (605, 32959), (1265, 15763), (1433, 13915), (2783, 7165)]