18849005

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 27786240

約数和(自身を除く): 8937235

約数列:

[1, 5, 7, 17, 35, 79, 85, 119, 395, 401, 553, 595, 1343, 2005, 2765, 2807, 6715, 6817, 9401, 14035, 31679, 34085, 47005, 47719, 158395, 221753, 238595, 538543, 1108765, 2692715, 3769801, 18849005]

約数ペア:

[(1, 18849005), (5, 3769801), (7, 2692715), (17, 1108765), (35, 538543), (79, 238595), (85, 221753), (119, 158395), (395, 47719), (401, 47005), (553, 34085), (595, 31679), (1343, 14035), (2005, 9401), (2765, 6817), (2807, 6715)]