19499972

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1559}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 35380800

約数和(自身を除く): 15880828

約数列:

[1, 2, 4, 53, 59, 106, 118, 212, 236, 1559, 3118, 3127, 6236, 6254, 12508, 82627, 91981, 165254, 183962, 330508, 367924, 4874993, 9749986, 19499972]

約数ペア:

[(1, 19499972), (2, 9749986), (4, 4874993), (53, 367924), (59, 330508), (106, 183962), (118, 165254), (212, 91981), (236, 82627), (1559, 12508), (3118, 6254), (3127, 6236)]