19244720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1151}}^1$

素因数の和:1194

約数の個数: 80

約数和(自身を含む): 51425280

約数和(自身を除く): 32180560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1151, 1520, 1672, 2090, 2302, 3344, 4180, 4604, 5755, 8360, 9208, 11510, 12661, 16720, 18416, 21869, 23020, 25322, 43738, 46040, 50644, 63305, 87476, 92080, 101288, 109345, 126610, 174952, 202576, 218690, 240559, 253220, 349904, 437380, 481118, 506440, 874760, 962236, 1012880, 1202795, 1749520, 1924472, 2405590, 3848944, 4811180, 9622360, 19244720]

約数ペア:

[(1, 19244720), (2, 9622360), (4, 4811180), (5, 3848944), (8, 2405590), (10, 1924472), (11, 1749520), (16, 1202795), (19, 1012880), (20, 962236), (22, 874760), (38, 506440), (40, 481118), (44, 437380), (55, 349904), (76, 253220), (80, 240559), (88, 218690), (95, 202576), (110, 174952), (152, 126610), (176, 109345), (190, 101288), (209, 92080), (220, 87476), (304, 63305), (380, 50644), (418, 46040), (440, 43738), (760, 25322), (836, 23020), (880, 21869), (1045, 18416), (1151, 16720), (1520, 12661), (1672, 11510), (2090, 9208), (2302, 8360), (3344, 5755), (4180, 4604)]