19412703

素因数分解:

$3^4\times {\mathrm{443}}^1\times {\mathrm{541}}^1$

素因数の和:996

約数の個数: 20

約数和(自身を含む): 29118408

約数和(自身を除く): 9705705

約数列:

[1, 3, 9, 27, 81, 443, 541, 1329, 1623, 3987, 4869, 11961, 14607, 35883, 43821, 239663, 718989, 2156967, 6470901, 19412703]

約数ペア:

[(1, 19412703), (3, 6470901), (9, 2156967), (27, 718989), (81, 239663), (443, 43821), (541, 35883), (1329, 14607), (1623, 11961), (3987, 4869)]