19916693

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 22088640

約数和(自身を除く): 2171947

約数列:

[1, 19, 37, 41, 691, 703, 779, 1517, 13129, 25567, 28331, 28823, 485773, 538289, 1048247, 19916693]

約数ペア:

[(1, 19916693), (19, 1048247), (37, 538289), (41, 485773), (691, 28823), (703, 28331), (779, 25567), (1517, 13129)]