19421890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{84443}}^1$

素因数の和:84473

約数の個数: 16

約数和(自身を含む): 36479808

約数和(自身を除く): 17057918

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 84443, 168886, 422215, 844430, 1942189, 3884378, 9710945, 19421890]

約数ペア:

[(1, 19421890), (2, 9710945), (5, 3884378), (10, 1942189), (23, 844430), (46, 422215), (115, 168886), (230, 84443)]