18550179

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{461}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 28540512

約数和(自身を除く): 9990333

約数列:

[1, 3, 9, 17, 51, 153, 263, 461, 789, 1383, 2367, 4149, 4471, 7837, 13413, 23511, 40239, 70533, 121243, 363729, 1091187, 2061131, 6183393, 18550179]

約数ペア:

[(1, 18550179), (3, 6183393), (9, 2061131), (17, 1091187), (51, 363729), (153, 121243), (263, 70533), (461, 40239), (789, 23511), (1383, 13413), (2367, 7837), (4149, 4471)]