19884168

素因数分解:

$2^3\times 3^2\times {\mathrm{277}}^1\times {\mathrm{997}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 54101580

約数和(自身を除く): 34217412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 277, 554, 831, 997, 1108, 1662, 1994, 2216, 2493, 2991, 3324, 3988, 4986, 5982, 6648, 7976, 8973, 9972, 11964, 17946, 19944, 23928, 35892, 71784, 276169, 552338, 828507, 1104676, 1657014, 2209352, 2485521, 3314028, 4971042, 6628056, 9942084, 19884168]

約数ペア:

[(1, 19884168), (2, 9942084), (3, 6628056), (4, 4971042), (6, 3314028), (8, 2485521), (9, 2209352), (12, 1657014), (18, 1104676), (24, 828507), (36, 552338), (72, 276169), (277, 71784), (554, 35892), (831, 23928), (997, 19944), (1108, 17946), (1662, 11964), (1994, 9972), (2216, 8973), (2493, 7976), (2991, 6648), (3324, 5982), (3988, 4986)]