18987141

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{5323}}^1$

素因数の和:5396

約数の個数: 16

約数和(自身を含む): 26832960

約数和(自身を除く): 7845819

約数列:

[1, 3, 29, 41, 87, 123, 1189, 3567, 5323, 15969, 154367, 218243, 463101, 654729, 6329047, 18987141]

約数ペア:

[(1, 18987141), (3, 6329047), (29, 654729), (41, 463101), (87, 218243), (123, 154367), (1189, 15969), (3567, 5323)]