18790431

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5039}}^1$

素因数の和:5166

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 8788449

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5039, 15117, 55429, 166287, 569407, 1708221, 6263477, 18790431]

約数ペア:

[(1, 18790431), (3, 6263477), (11, 1708221), (33, 569407), (113, 166287), (339, 55429), (1243, 15117), (3729, 5039)]