19922090

素因数分解:

$2^1\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1621}}^1$

素因数の和:2857

約数の個数: 16

約数和(自身を含む): 35911080

約数和(自身を除く): 15988990

約数列:

[1, 2, 5, 10, 1229, 1621, 2458, 3242, 6145, 8105, 12290, 16210, 1992209, 3984418, 9961045, 19922090]

約数ペア:

[(1, 19922090), (2, 9961045), (5, 3984418), (10, 1992209), (1229, 16210), (1621, 12290), (2458, 8105), (3242, 6145)]