19635260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9007}}^1$

素因数の和:9125

約数の個数: 24

約数和(自身を含む): 41616960

約数和(自身を除く): 21981700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 9007, 18014, 36028, 45035, 90070, 180140, 981763, 1963526, 3927052, 4908815, 9817630, 19635260]

約数ペア:

[(1, 19635260), (2, 9817630), (4, 4908815), (5, 3927052), (10, 1963526), (20, 981763), (109, 180140), (218, 90070), (436, 45035), (545, 36028), (1090, 18014), (2180, 9007)]