19887810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9337}}^1$

素因数の和:9418

約数の個数: 32

約数和(自身を含む): 48408192

約数和(自身を除く): 28520382

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9337, 18674, 28011, 46685, 56022, 93370, 140055, 280110, 662927, 1325854, 1988781, 3314635, 3977562, 6629270, 9943905, 19887810]

約数ペア:

[(1, 19887810), (2, 9943905), (3, 6629270), (5, 3977562), (6, 3314635), (10, 1988781), (15, 1325854), (30, 662927), (71, 280110), (142, 140055), (213, 93370), (355, 56022), (426, 46685), (710, 28011), (1065, 18674), (2130, 9337)]