18891644410

素因数分解:

$2^1\times 5^1\times {\mathrm{2053}}^1\times {\mathrm{920197}}^1$

素因数の和:922257

約数の個数: 16

約数和(自身を含む): 34021560456

約数和(自身を除く): 15129916046

約数列:

[1, 2, 5, 10, 2053, 4106, 10265, 20530, 920197, 1840394, 4600985, 9201970, 1889164441, 3778328882, 9445822205, 18891644410]

約数ペア:

[(1, 18891644410), (2, 9445822205), (5, 3778328882), (10, 1889164441), (2053, 9201970), (4106, 4600985), (10265, 1840394), (20530, 920197)]