19144400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:277

約数の個数: 120

約数和(自身を含む): 53047200

約数和(自身を除く): 33902800

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, 229, 275, 304, 380, 400, 418, 440, 458, 475, 550, 760, 836, 880, 916, 950, 1045, 1100, 1145, 1520, 1672, 1832, 1900, 2090, 2200, 2290, 2519, 3344, 3664, 3800, 4180, 4351, 4400, 4580, 5038, 5225, 5725, 7600, 8360, 8702, 9160, 10076, 10450, 11450, 12595, 16720, 17404, 18320, 20152, 20900, 21755, 22900, 25190, 34808, 40304, 41800, 43510, 45800, 47861, 50380, 62975, 69616, 83600, 87020, 91600, 95722, 100760, 108775, 125950, 174040, 191444, 201520, 217550, 239305, 251900, 348080, 382888, 435100, 478610, 503800, 765776, 870200, 957220, 1007600, 1196525, 1740400, 1914440, 2393050, 3828880, 4786100, 9572200, 19144400]

約数ペア:

[(1, 19144400), (2, 9572200), (4, 4786100), (5, 3828880), (8, 2393050), (10, 1914440), (11, 1740400), (16, 1196525), (19, 1007600), (20, 957220), (22, 870200), (25, 765776), (38, 503800), (40, 478610), (44, 435100), (50, 382888), (55, 348080), (76, 251900), (80, 239305), (88, 217550), (95, 201520), (100, 191444), (110, 174040), (152, 125950), (176, 108775), (190, 100760), (200, 95722), (209, 91600), (220, 87020), (229, 83600), (275, 69616), (304, 62975), (380, 50380), (400, 47861), (418, 45800), (440, 43510), (458, 41800), (475, 40304), (550, 34808), (760, 25190), (836, 22900), (880, 21755), (916, 20900), (950, 20152), (1045, 18320), (1100, 17404), (1145, 16720), (1520, 12595), (1672, 11450), (1832, 10450), (1900, 10076), (2090, 9160), (2200, 8702), (2290, 8360), (2519, 7600), (3344, 5725), (3664, 5225), (3800, 5038), (4180, 4580), (4351, 4400)]