19922391

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2063}}^1$

素因数の和:2135

約数の個数: 24

約数和(自身を含む): 30588480

約数和(自身を除く): 10666089

約数列:

[1, 3, 9, 29, 37, 87, 111, 261, 333, 1073, 2063, 3219, 6189, 9657, 18567, 59827, 76331, 179481, 228993, 538443, 686979, 2213599, 6640797, 19922391]

約数ペア:

[(1, 19922391), (3, 6640797), (9, 2213599), (29, 686979), (37, 538443), (87, 228993), (111, 179481), (261, 76331), (333, 59827), (1073, 18567), (2063, 9657), (3219, 6189)]