193898990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1\times {\mathrm{1051}}^1$

素因数の和:2048

約数の個数: 32

約数和(自身を含む): 368115840

約数和(自身を除く): 174216850

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 971, 1051, 1942, 2102, 4855, 5255, 9710, 10510, 18449, 19969, 36898, 39938, 92245, 99845, 184490, 199690, 1020521, 2041042, 5102605, 10205210, 19389899, 38779798, 96949495, 193898990]

約数ペア:

[(1, 193898990), (2, 96949495), (5, 38779798), (10, 19389899), (19, 10205210), (38, 5102605), (95, 2041042), (190, 1020521), (971, 199690), (1051, 184490), (1942, 99845), (2102, 92245), (4855, 39938), (5255, 36898), (9710, 19969), (10510, 18449)]