19489788

素因数分解:

$2^2\times 3^3\times {\mathrm{113}}^1\times {\mathrm{1597}}^1$

素因数の和:1723

約数の個数: 48

約数和(自身を含む): 51008160

約数和(自身を除く): 31518372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 113, 226, 339, 452, 678, 1017, 1356, 1597, 2034, 3051, 3194, 4068, 4791, 6102, 6388, 9582, 12204, 14373, 19164, 28746, 43119, 57492, 86238, 172476, 180461, 360922, 541383, 721844, 1082766, 1624149, 2165532, 3248298, 4872447, 6496596, 9744894, 19489788]

約数ペア:

[(1, 19489788), (2, 9744894), (3, 6496596), (4, 4872447), (6, 3248298), (9, 2165532), (12, 1624149), (18, 1082766), (27, 721844), (36, 541383), (54, 360922), (108, 180461), (113, 172476), (226, 86238), (339, 57492), (452, 43119), (678, 28746), (1017, 19164), (1356, 14373), (1597, 12204), (2034, 9582), (3051, 6388), (3194, 6102), (4068, 4791)]