19141780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136727}}^1$

素因数の和:136743

約数の個数: 24

約数和(自身を含む): 45940608

約数和(自身を除く): 26798828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136727, 273454, 546908, 683635, 957089, 1367270, 1914178, 2734540, 3828356, 4785445, 9570890, 19141780]

約数ペア:

[(1, 19141780), (2, 9570890), (4, 4785445), (5, 3828356), (7, 2734540), (10, 1914178), (14, 1367270), (20, 957089), (28, 683635), (35, 546908), (70, 273454), (140, 136727)]