18548757

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 29272320

約数和(自身を除く): 10723563

約数列:

[1, 3, 9, 27, 31, 81, 83, 89, 93, 249, 267, 279, 747, 801, 837, 2241, 2403, 2511, 2573, 2759, 6723, 7209, 7387, 7719, 8277, 22161, 23157, 24831, 66483, 69471, 74493, 199449, 208413, 223479, 228997, 598347, 686991, 2060973, 6182919, 18548757]

約数ペア:

[(1, 18548757), (3, 6182919), (9, 2060973), (27, 686991), (31, 598347), (81, 228997), (83, 223479), (89, 208413), (93, 199449), (249, 74493), (267, 69471), (279, 66483), (747, 24831), (801, 23157), (837, 22161), (2241, 8277), (2403, 7719), (2511, 7387), (2573, 7209), (2759, 6723)]