18879657

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{2153}}^1$

素因数の和:2272

約数の個数: 16

約数和(自身を含む): 26192640

約数和(自身を除く): 7312983

約数列:

[1, 3, 37, 79, 111, 237, 2153, 2923, 6459, 8769, 79661, 170087, 238983, 510261, 6293219, 18879657]

約数ペア:

[(1, 18879657), (3, 6293219), (37, 510261), (79, 238983), (111, 170087), (237, 79661), (2153, 8769), (2923, 6459)]