19310840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25409}}^1$

素因数の和:25439

約数の個数: 32

約数和(自身を含む): 45738000

約数和(自身を除く): 26427160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 25409, 50818, 101636, 127045, 203272, 254090, 482771, 508180, 965542, 1016360, 1931084, 2413855, 3862168, 4827710, 9655420, 19310840]

約数ペア:

[(1, 19310840), (2, 9655420), (4, 4827710), (5, 3862168), (8, 2413855), (10, 1931084), (19, 1016360), (20, 965542), (38, 508180), (40, 482771), (76, 254090), (95, 203272), (152, 127045), (190, 101636), (380, 50818), (760, 25409)]