19994724

素因数分解:

$2^2\times 3^2\times {\mathrm{199}}^1\times {\mathrm{2791}}^1$

素因数の和:3000

約数の個数: 36

約数和(自身を含む): 50814400

約数和(自身を除く): 30819676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 199, 398, 597, 796, 1194, 1791, 2388, 2791, 3582, 5582, 7164, 8373, 11164, 16746, 25119, 33492, 50238, 100476, 555409, 1110818, 1666227, 2221636, 3332454, 4998681, 6664908, 9997362, 19994724]

約数ペア:

[(1, 19994724), (2, 9997362), (3, 6664908), (4, 4998681), (6, 3332454), (9, 2221636), (12, 1666227), (18, 1110818), (36, 555409), (199, 100476), (398, 50238), (597, 33492), (796, 25119), (1194, 16746), (1791, 11164), (2388, 8373), (2791, 7164), (3582, 5582)]