18843768

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1667}}^1$

素因数の和:1836

約数の個数: 48

約数和(自身を含む): 51391080

約数和(自身を除く): 32547312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1667, 1884, 2826, 3334, 3768, 5001, 5652, 6668, 10002, 11304, 13336, 15003, 20004, 30006, 40008, 60012, 120024, 261719, 523438, 785157, 1046876, 1570314, 2093752, 2355471, 3140628, 4710942, 6281256, 9421884, 18843768]

約数ペア:

[(1, 18843768), (2, 9421884), (3, 6281256), (4, 4710942), (6, 3140628), (8, 2355471), (9, 2093752), (12, 1570314), (18, 1046876), (24, 785157), (36, 523438), (72, 261719), (157, 120024), (314, 60012), (471, 40008), (628, 30006), (942, 20004), (1256, 15003), (1413, 13336), (1667, 11304), (1884, 10002), (2826, 6668), (3334, 5652), (3768, 5001)]