18882019971

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{2801}}^1\times {\mathrm{4093}}^1$

素因数の和:6964

約数の個数: 32

約数和(自身を含む): 28449042240

約数和(自身を除く): 9567022269

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 2801, 4093, 8403, 12279, 25209, 36837, 75627, 110511, 170861, 249673, 512583, 749019, 1537749, 2247057, 4613247, 6741171, 11464493, 34393479, 103180437, 309541311, 699334073, 2098002219, 6294006657, 18882019971]

約数ペア:

[(1, 18882019971), (3, 6294006657), (9, 2098002219), (27, 699334073), (61, 309541311), (183, 103180437), (549, 34393479), (1647, 11464493), (2801, 6741171), (4093, 4613247), (8403, 2247057), (12279, 1537749), (25209, 749019), (36837, 512583), (75627, 249673), (110511, 170861)]