1819804

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 3680768

約数和(自身を除く): 1860964

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 631, 721, 1262, 1442, 2524, 2884, 4417, 8834, 17668, 64993, 129986, 259972, 454951, 909902, 1819804]

約数ペア:

[(1, 1819804), (2, 909902), (4, 454951), (7, 259972), (14, 129986), (28, 64993), (103, 17668), (206, 8834), (412, 4417), (631, 2884), (721, 2524), (1262, 1442)]