18868260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2003}}^1$

素因数の和:2172

約数の個数: 48

約数和(自身を含む): 53194176

約数和(自身を除く): 34325916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2003, 2355, 3140, 4006, 4710, 6009, 8012, 9420, 10015, 12018, 20030, 24036, 30045, 40060, 60090, 120180, 314471, 628942, 943413, 1257884, 1572355, 1886826, 3144710, 3773652, 4717065, 6289420, 9434130, 18868260]

約数ペア:

[(1, 18868260), (2, 9434130), (3, 6289420), (4, 4717065), (5, 3773652), (6, 3144710), (10, 1886826), (12, 1572355), (15, 1257884), (20, 943413), (30, 628942), (60, 314471), (157, 120180), (314, 60090), (471, 40060), (628, 30045), (785, 24036), (942, 20030), (1570, 12018), (1884, 10015), (2003, 9420), (2355, 8012), (3140, 6009), (4006, 4710)]