18884553

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1999}}^1$

素因数の和:2116

約数の個数: 16

約数和(自身を含む): 26112000

約数和(自身を除く): 7227447

約数列:

[1, 3, 47, 67, 141, 201, 1999, 3149, 5997, 9447, 93953, 133933, 281859, 401799, 6294851, 18884553]

約数ペア:

[(1, 18884553), (3, 6294851), (47, 401799), (67, 281859), (141, 133933), (201, 93953), (1999, 9447), (3149, 5997)]