19192220

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3541}}^1$

素因数の和:3821

約数の個数: 24

約数和(自身を含む): 40463808

約数和(自身を除く): 21271588

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 3541, 5420, 7082, 14164, 17705, 35410, 70820, 959611, 1919222, 3838444, 4798055, 9596110, 19192220]

約数ペア:

[(1, 19192220), (2, 9596110), (4, 4798055), (5, 3838444), (10, 1919222), (20, 959611), (271, 70820), (542, 35410), (1084, 17705), (1355, 14164), (2710, 7082), (3541, 5420)]