18748872

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{2389}}^1$

素因数の和:2510

約数の個数: 48

約数和(自身を含む): 51265500

約数和(自身を除く): 32516628

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2389, 2616, 3924, 4778, 7167, 7848, 9556, 14334, 19112, 21501, 28668, 43002, 57336, 86004, 172008, 260401, 520802, 781203, 1041604, 1562406, 2083208, 2343609, 3124812, 4687218, 6249624, 9374436, 18748872]

約数ペア:

[(1, 18748872), (2, 9374436), (3, 6249624), (4, 4687218), (6, 3124812), (8, 2343609), (9, 2083208), (12, 1562406), (18, 1041604), (24, 781203), (36, 520802), (72, 260401), (109, 172008), (218, 86004), (327, 57336), (436, 43002), (654, 28668), (872, 21501), (981, 19112), (1308, 14334), (1962, 9556), (2389, 7848), (2616, 7167), (3924, 4778)]