2018201968

素因数分解:

$2^4\times {\mathrm{347}}^1\times {\mathrm{593}}^1\times {\mathrm{613}}^1$

素因数の和:1561

約数の個数: 40

約数和(自身を含む): 3934556208

約数和(自身を除く): 1916354240

約数列:

[1, 2, 4, 8, 16, 347, 593, 613, 694, 1186, 1226, 1388, 2372, 2452, 2776, 4744, 4904, 5552, 9488, 9808, 205771, 212711, 363509, 411542, 425422, 727018, 823084, 850844, 1454036, 1646168, 1701688, 2908072, 3292336, 3403376, 5816144, 126137623, 252275246, 504550492, 1009100984, 2018201968]

約数ペア:

[(1, 2018201968), (2, 1009100984), (4, 504550492), (8, 252275246), (16, 126137623), (347, 5816144), (593, 3403376), (613, 3292336), (694, 2908072), (1186, 1701688), (1226, 1646168), (1388, 1454036), (2372, 850844), (2452, 823084), (2776, 727018), (4744, 425422), (4904, 411542), (5552, 363509), (9488, 212711), (9808, 205771)]