202131481

素因数分解:

${\mathrm{19}}^2\times {\mathrm{37}}^2\times {\mathrm{409}}^1$

素因数の和:521

約数の個数: 18

約数和(自身を含む): 219787470

約数和(自身を除く): 17655989

約数列:

[1, 19, 37, 361, 409, 703, 1369, 7771, 13357, 15133, 26011, 147649, 287527, 494209, 559921, 5463013, 10638499, 202131481]

約数ペア:

[(1, 202131481), (19, 10638499), (37, 5463013), (361, 559921), (409, 494209), (703, 287527), (1369, 147649), (7771, 26011), (13357, 15133)]