19839860

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9631}}^1$

素因数の和:9743

約数の個数: 24

約数和(自身を含む): 42072576

約数和(自身を除く): 22232716

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9631, 19262, 38524, 48155, 96310, 192620, 991993, 1983986, 3967972, 4959965, 9919930, 19839860]

約数ペア:

[(1, 19839860), (2, 9919930), (4, 4959965), (5, 3967972), (10, 1983986), (20, 991993), (103, 192620), (206, 96310), (412, 48155), (515, 38524), (1030, 19262), (2060, 9631)]