19840238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{8929}}^1$

素因数の和:9043

約数の個数: 16

約数和(自身を含む): 32790960

約数和(自身を除く): 12950722

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 8929, 17858, 98219, 196438, 901829, 1803658, 9920119, 19840238]

約数ペア:

[(1, 19840238), (2, 9920119), (11, 1803658), (22, 901829), (101, 196438), (202, 98219), (1111, 17858), (2222, 8929)]