18730991

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:458

約数の個数: 16

約数和(自身を含む): 20645856

約数和(自身を除く): 1914865

約数列:

[1, 17, 37, 97, 307, 629, 1649, 3589, 5219, 11359, 29779, 61013, 193103, 506243, 1101823, 18730991]

約数ペア:

[(1, 18730991), (17, 1101823), (37, 506243), (97, 193103), (307, 61013), (629, 29779), (1649, 11359), (3589, 5219)]