18718908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{119993}}^1$

素因数の和:120013

約数の個数: 24

約数和(自身を含む): 47037648

約数和(自身を除く): 28318740

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 119993, 239986, 359979, 479972, 719958, 1439916, 1559909, 3119818, 4679727, 6239636, 9359454, 18718908]

約数ペア:

[(1, 18718908), (2, 9359454), (3, 6239636), (4, 4679727), (6, 3119818), (12, 1559909), (13, 1439916), (26, 719958), (39, 479972), (52, 359979), (78, 239986), (156, 119993)]