18880059

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{9697}}^1$

素因数の和:9770

約数の個数: 16

約数和(自身を含む): 27930240

約数和(自身を除く): 9050181

約数列:

[1, 3, 11, 33, 59, 177, 649, 1947, 9697, 29091, 106667, 320001, 572123, 1716369, 6293353, 18880059]

約数ペア:

[(1, 18880059), (3, 6293353), (11, 1716369), (33, 572123), (59, 320001), (177, 106667), (649, 29091), (1947, 9697)]