19401949

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3257}}^1$

素因数の和:3324

約数の個数: 16

約数和(自身を含む): 23770368

約数和(自身を除く): 4368419

約数列:

[1, 7, 23, 37, 161, 259, 851, 3257, 5957, 22799, 74911, 120509, 524377, 843563, 2771707, 19401949]

約数ペア:

[(1, 19401949), (7, 2771707), (23, 843563), (37, 524377), (161, 120509), (259, 74911), (851, 22799), (3257, 5957)]