18977200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:275

約数の個数: 120

約数和(自身を含む): 52585920

約数和(自身を除く): 33608720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 152, 176, 190, 200, 209, 220, 227, 275, 304, 380, 400, 418, 440, 454, 475, 550, 760, 836, 880, 908, 950, 1045, 1100, 1135, 1520, 1672, 1816, 1900, 2090, 2200, 2270, 2497, 3344, 3632, 3800, 4180, 4313, 4400, 4540, 4994, 5225, 5675, 7600, 8360, 8626, 9080, 9988, 10450, 11350, 12485, 16720, 17252, 18160, 19976, 20900, 21565, 22700, 24970, 34504, 39952, 41800, 43130, 45400, 47443, 49940, 62425, 69008, 83600, 86260, 90800, 94886, 99880, 107825, 124850, 172520, 189772, 199760, 215650, 237215, 249700, 345040, 379544, 431300, 474430, 499400, 759088, 862600, 948860, 998800, 1186075, 1725200, 1897720, 2372150, 3795440, 4744300, 9488600, 18977200]

約数ペア:

[(1, 18977200), (2, 9488600), (4, 4744300), (5, 3795440), (8, 2372150), (10, 1897720), (11, 1725200), (16, 1186075), (19, 998800), (20, 948860), (22, 862600), (25, 759088), (38, 499400), (40, 474430), (44, 431300), (50, 379544), (55, 345040), (76, 249700), (80, 237215), (88, 215650), (95, 199760), (100, 189772), (110, 172520), (152, 124850), (176, 107825), (190, 99880), (200, 94886), (209, 90800), (220, 86260), (227, 83600), (275, 69008), (304, 62425), (380, 49940), (400, 47443), (418, 45400), (440, 43130), (454, 41800), (475, 39952), (550, 34504), (760, 24970), (836, 22700), (880, 21565), (908, 20900), (950, 19976), (1045, 18160), (1100, 17252), (1135, 16720), (1520, 12485), (1672, 11350), (1816, 10450), (1900, 9988), (2090, 9080), (2200, 8626), (2270, 8360), (2497, 7600), (3344, 5675), (3632, 5225), (3800, 4994), (4180, 4540), (4313, 4400)]