19788671

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6469}}^1$

素因数の和:6518

約数の個数: 16

約数和(自身を含む): 24844800

約数和(自身を除く): 5056129

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6469, 45283, 122911, 148787, 860377, 1041509, 2826953, 19788671]

約数ペア:

[(1, 19788671), (7, 2826953), (19, 1041509), (23, 860377), (133, 148787), (161, 122911), (437, 45283), (3059, 6469)]