19180240840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25237159}}^1$

素因数の和:25237189

約数の個数: 32

約数和(自身を含む): 45426888000

約数和(自身を除く): 26246647160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 25237159, 50474318, 100948636, 126185795, 201897272, 252371590, 479506021, 504743180, 959012042, 1009486360, 1918024084, 2397530105, 3836048168, 4795060210, 9590120420, 19180240840]

約数ペア:

[(1, 19180240840), (2, 9590120420), (4, 4795060210), (5, 3836048168), (8, 2397530105), (10, 1918024084), (19, 1009486360), (20, 959012042), (38, 504743180), (40, 479506021), (76, 252371590), (95, 201897272), (152, 126185795), (190, 100948636), (380, 50474318), (760, 25237159)]